diff --git a/ProjectLibrary/Entites/Book.cs b/ProjectLibrary/Entites/Book.cs
index bb5894b..7204483 100644
--- a/ProjectLibrary/Entites/Book.cs
+++ b/ProjectLibrary/Entites/Book.cs
@@ -7,18 +7,16 @@
         public int Id { get; private set; }
         public string Author { get; private set; } = string.Empty;
         public string Name { get; private set; } = string.Empty;
-        public BookType Type { get; set; } = BookType.None;
-        public int LibraryID { get; private set; }
+        public BookType TypeBookID { get; set; } = BookType.None;
 
-        public static Book CreateEntity(int id, string author, string name, int libraryID, BookType type = BookType.None)
+        public static Book CreateEntity(int id, string author, string name, BookType typeBookID = BookType.None)
         {
             return new Book
             {
                 Id = id,
                 Author = author ?? string.Empty,
                 Name = name ?? string.Empty,
-                LibraryID = libraryID,
-                Type = type
+                TypeBookID = typeBookID
             };
         }
     }
diff --git a/ProjectLibrary/Entites/Enums/BookType.cs b/ProjectLibrary/Entites/Enums/BookType.cs
index 865fa09..cb2350f 100644
--- a/ProjectLibrary/Entites/Enums/BookType.cs
+++ b/ProjectLibrary/Entites/Enums/BookType.cs
@@ -17,4 +17,4 @@ namespace ProjectLibrary.Entities.Enums
         Mystery = 16,
         Fantasy = 32
     }
-}
\ No newline at end of file
+}
diff --git a/ProjectLibrary/Entites/Library.cs b/ProjectLibrary/Entites/Library.cs
index 0cc6ead..07c629c 100644
--- a/ProjectLibrary/Entites/Library.cs
+++ b/ProjectLibrary/Entites/Library.cs
@@ -16,7 +16,7 @@ namespace ProjectLibrary.Entites
         {
             get;
             private set;
-        } = [];
+        }
 
         public static Library CreateEntity(int id, string name, string address, IEnumerable<Book_Library> bookLibrary)
         {
diff --git a/ProjectLibrary/Entites/Orders.cs b/ProjectLibrary/Entites/Orders.cs
index 2065d1f..f395901 100644
--- a/ProjectLibrary/Entites/Orders.cs
+++ b/ProjectLibrary/Entites/Orders.cs
@@ -13,7 +13,6 @@ namespace ProjectLibrary.Entites
         public DateTime OrderDate { get; private set; }
         public DateTime ReturnDate { get; private set; }
         public int ReaderID { get; private set; }
-
         public IEnumerable<Book_Orders> BookOrders
         {
             get;
@@ -21,12 +20,12 @@ namespace ProjectLibrary.Entites
         } = [];
 
 
-        public static Orders CreateEntity(int id, DateTime orderDate, DateTime returnDate, int readerID, IEnumerable<Book_Orders> bookOrders)
+        public static Orders CreateEntity(int id, DateTime returnDate, int readerID, IEnumerable<Book_Orders> bookOrders)
         {
             return new Orders
             {
                 Id = id,
-                OrderDate = orderDate,
+                OrderDate = DateTime.Now,
                 ReturnDate = returnDate,
                 ReaderID = readerID,
                 BookOrders = bookOrders
diff --git a/ProjectLibrary/Entites/Ticket_Extension.cs b/ProjectLibrary/Entites/Ticket_Extension.cs
index 2f6f2dc..331ace5 100644
--- a/ProjectLibrary/Entites/Ticket_Extension.cs
+++ b/ProjectLibrary/Entites/Ticket_Extension.cs
@@ -2,14 +2,16 @@
 {
     public class TicketExtensions
     {
+        public int Id { get; private set; }
         public int ReaderID { get; private set; }
         public DateTime LastUpdateDate { get; private set; }
         public DateTime NextUpdateDate { get; private set; }
 
-        public static TicketExtensions CreateEntity(int readerID, DateTime lastUpdateDate, DateTime nextUpdateDate)
+        public static TicketExtensions CreateEntity(int id, int readerID, DateTime lastUpdateDate, DateTime nextUpdateDate)
         {
             return new TicketExtensions
             {
+                Id = id,
                 ReaderID = readerID,
                 LastUpdateDate = lastUpdateDate,
                 NextUpdateDate = nextUpdateDate
diff --git a/ProjectLibrary/Forms/FBook.Designer.cs b/ProjectLibrary/Forms/FBook.Designer.cs
index 853de9c..2423c93 100644
--- a/ProjectLibrary/Forms/FBook.Designer.cs
+++ b/ProjectLibrary/Forms/FBook.Designer.cs
@@ -33,10 +33,8 @@
             lblName = new Label();
             txtName = new TextBox();
             lblType = new Label();
-            lblLibraryId = new Label();
             btnSave = new Button();
             buttonCancel_Click = new Button();
-            comboBoxLibrary = new ComboBox();
             checkedListBox1 = new CheckedListBox();
             SuspendLayout();
             // 
@@ -81,15 +79,6 @@
             lblType.TabIndex = 6;
             lblType.Text = "Тип:";
             // 
-            // lblLibraryId
-            // 
-            lblLibraryId.AutoSize = true;
-            lblLibraryId.Location = new Point(19, 226);
-            lblLibraryId.Name = "lblLibraryId";
-            lblLibraryId.Size = new Size(114, 20);
-            lblLibraryId.TabIndex = 8;
-            lblLibraryId.Text = "ID библиотеки:";
-            // 
             // btnSave
             // 
             btnSave.Location = new Point(19, 266);
@@ -109,16 +98,6 @@
             buttonCancel_Click.Text = "Отмена";
             buttonCancel_Click.Click += ButtonCancel_Click;
             // 
-            // comboBoxLibrary
-            // 
-            comboBoxLibrary.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxLibrary.FormattingEnabled = true;
-            comboBoxLibrary.Items.AddRange(new object[] { "Fiction", "Non-Fiction", "Science", "Biography" });
-            comboBoxLibrary.Location = new Point(151, 223);
-            comboBoxLibrary.Name = "comboBoxLibrary";
-            comboBoxLibrary.Size = new Size(200, 28);
-            comboBoxLibrary.TabIndex = 12;
-            // 
             // checkedListBox1
             // 
             checkedListBox1.FormattingEnabled = true;
@@ -126,20 +105,17 @@
             checkedListBox1.Name = "checkedListBox1";
             checkedListBox1.Size = new Size(246, 114);
             checkedListBox1.TabIndex = 13;
-            checkedListBox1.SelectedIndexChanged += checkedListBox1_SelectedIndexChanged;
             // 
             // FBook
             // 
             ClientSize = new Size(400, 300);
             Controls.Add(checkedListBox1);
-            Controls.Add(comboBoxLibrary);
             Controls.Add(buttonCancel_Click);
             Controls.Add(lblAuthor);
             Controls.Add(txtAuthor);
             Controls.Add(lblName);
             Controls.Add(txtName);
             Controls.Add(lblType);
-            Controls.Add(lblLibraryId);
             Controls.Add(btnSave);
             Name = "FBook";
             Text = "Книга";
@@ -153,10 +129,8 @@
         private System.Windows.Forms.Label lblName;
         private System.Windows.Forms.TextBox txtName;
         private System.Windows.Forms.Label lblType;
-        private System.Windows.Forms.Label lblLibraryId;
         private System.Windows.Forms.Button btnSave;
         private Button buttonCancel_Click;
-        private ComboBox comboBoxLibrary;
         private CheckedListBox checkedListBox1;
     }
 }
diff --git a/ProjectLibrary/Forms/FBook.cs b/ProjectLibrary/Forms/FBook.cs
index 9732e74..4920718 100644
--- a/ProjectLibrary/Forms/FBook.cs
+++ b/ProjectLibrary/Forms/FBook.cs
@@ -24,8 +24,12 @@ namespace ProjectLibrary.Forms
 
                     txtAuthor.Text = book.Author;
                     txtName.Text = book.Name;
-                    //cmbType.SelectedItem = book.Type;
-                    comboBoxLibrary.SelectedItem = book.LibraryID;
+                    //checkedListBox1.SelectedItem = book.TypeBookID;
+                    char[] listInd = Convert.ToString((int)book.TypeBookID, 2).ToCharArray();
+                    for (int i = 0; i < listInd.Length; i++)
+                    {
+                        checkedListBox1.SetItemChecked(i, listInd[i]=='1');
+                    }
                     _bookId = value;
                     
                 }
@@ -36,11 +40,10 @@ namespace ProjectLibrary.Forms
             }
         }
 
-        public FBook(IBookRepository bookRepository, ILibraryRepository libraryRepository)
+        public FBook(IBookRepository bookRepository)
         {
             InitializeComponent();
             _bookRepository = bookRepository ?? throw new ArgumentNullException(nameof(bookRepository));
-            comboBoxLibrary.DataSource = libraryRepository.ReadLibraries();
             foreach(var elem in Enum.GetValues(typeof(BookType)))
             {
                 if (!elem.Equals(BookType.None)) checkedListBox1.Items.Add(elem);
@@ -51,39 +54,22 @@ namespace ProjectLibrary.Forms
         {
             try
             {
-                if (string.IsNullOrWhiteSpace(txtAuthor.Text) || string.IsNullOrWhiteSpace(txtName.Text) || comboBoxLibrary.SelectedItem == null)
+                if (string.IsNullOrWhiteSpace(txtAuthor.Text) || string.IsNullOrWhiteSpace(txtName.Text))
                 {
                     throw new Exception("Имеются незаполненные поля.");
                 }
 
-                BookType selectedType = BookType.None;
-
-                foreach (var item in checkedListBox1.CheckedItems)
-                {
-                    if (item is BookType type)
-                    {
-                        selectedType |= type;
-                    }
-                }
-
-                var book = Book.CreateEntity(
-                    _bookId ?? 0,
-                    txtAuthor.Text,
-                    txtName.Text,
-                    Convert.ToInt32(comboBoxLibrary.SelectedItem),
-                    selectedType
-                );
-
                 if (_bookId.HasValue)
                 {
-                    _bookRepository.UpdateBook(book);
+                    _bookRepository.UpdateBook(CreateBook(_bookId.Value));
                 }
                 else
                 {
-                    _bookRepository.CreateBook(book);
+                    _bookRepository.CreateBook(CreateBook(0));
                 }
 
                 Close();
+
             }
             catch (Exception ex)
             {
@@ -91,35 +77,26 @@ namespace ProjectLibrary.Forms
             }
         }
 
+        private Book CreateBook(int bookId)
+        {
+            BookType selectedType = BookType.None;
+
+            foreach (var item in checkedListBox1.CheckedItems)
+            {
+                if (item is BookType type)
+                {
+                    selectedType |= type; // Это должно работать, если тип является BookType
+                }
+            }
+
+            return Book.CreateEntity(bookId, txtAuthor.Text, txtName.Text, selectedType);
+        }
+
+
+
         private void ButtonCancel_Click(object sender, EventArgs e)
         {
             Close();
         }
-
-        private void checkedListBox1_SelectedIndexChanged(object sender, EventArgs e)
-        {
-            try
-            {
-                BookType selectedType = BookType.None;
-
-
-                foreach (var item in checkedListBox1.CheckedItems)
-                {
-                    if (item is BookType type)
-                    {
-                        selectedType |= type;
-                    }
-                }
-
-
-                var book = _bookRepository.ReadBookById(_bookId ?? 0);
-                book.Type = selectedType;
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show(ex.Message, "Ошибка при обработке выбора", MessageBoxButtons.OK, MessageBoxIcon.Error);
-            }
-        }
-
     }
 }
diff --git a/ProjectLibrary/Forms/FLibrary.cs b/ProjectLibrary/Forms/FLibrary.cs
index 5e94e6c..8a3676a 100644
--- a/ProjectLibrary/Forms/FLibrary.cs
+++ b/ProjectLibrary/Forms/FLibrary.cs
@@ -25,7 +25,7 @@ namespace ProjectLibrary.Forms
 
                     txtName.Text = library.Name;
                     txtAddress.Text = library.Address;
-                    dataGridView.DataSource = library.BookLibrary;
+                    SetListBooksToDataGrid(library.BookLibrary);
                     _orderId = value;
                 }
                 catch (Exception ex)
@@ -69,6 +69,8 @@ namespace ProjectLibrary.Forms
                 {
                     _libraryRepository.CreateLibrary(library);
                 }
+
+
                 Close();
             }
             catch (Exception ex)
@@ -79,7 +81,7 @@ namespace ProjectLibrary.Forms
 
         private void buttonCancel_Click_Click(object sender, EventArgs e)
         {
-            this.Close();
+            Close();
         }
 
         private List<Book_Library> CreateListBooksFromDataGrid()
@@ -91,9 +93,21 @@ namespace ProjectLibrary.Forms
                 {
                     continue;
                 }
-                list.Add(Book_Library.CreateEntity(0, Convert.ToInt32(row.Cells["ColumnBook"].Value), Convert.ToInt32(row.Cells["ColumnCount"].Value)));
+                list.Add(Book_Library.CreateEntity(0, Convert.ToInt32(row.Cells["Book"].Value), Convert.ToInt32(row.Cells["Count"].Value)));
             }
             return list;
         }
+
+        private void SetListBooksToDataGrid(IEnumerable<Book_Library> list)
+        {
+            int index = 0;
+            foreach (Book_Library elem in list)
+            {
+                dataGridView.Rows.Add();
+                dataGridView.Rows[index].Cells["Book"].Value = elem.BookID;
+                dataGridView.Rows[index].Cells["Count"].Value = elem.Count;
+                index++;
+            }
+        }
     }
 }
diff --git a/ProjectLibrary/Forms/FLibrary.resx b/ProjectLibrary/Forms/FLibrary.resx
index 5faf464..3105a36 100644
--- a/ProjectLibrary/Forms/FLibrary.resx
+++ b/ProjectLibrary/Forms/FLibrary.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema 
+    Microsoft ResX Schema
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/ProjectLibrary/Forms/FOrder.Designer.cs b/ProjectLibrary/Forms/FOrder.Designer.cs
index 1753305..19b91c3 100644
--- a/ProjectLibrary/Forms/FOrder.Designer.cs
+++ b/ProjectLibrary/Forms/FOrder.Designer.cs
@@ -4,9 +4,7 @@
     {
         private System.ComponentModel.IContainer components = null;
         private Label lblOrderDate;
-        private TextBox txtOrderDate;
         private Label lblReturnDate;
-        private TextBox txtReturnDate;
         private Label lblReaderID;
         private Label lblBookID;
         private Button btnSave;
@@ -23,9 +21,7 @@
         private void InitializeComponent()
         {
             lblOrderDate = new Label();
-            txtOrderDate = new TextBox();
             lblReturnDate = new Label();
-            txtReturnDate = new TextBox();
             lblReaderID = new Label();
             lblBookID = new Label();
             btnSave = new Button();
@@ -33,6 +29,8 @@
             comboBox = new ComboBox();
             dataGridViewBook = new DataGridView();
             Book = new DataGridViewComboBoxColumn();
+            dtpOrderDate = new DateTimePicker();
+            dtptxtReturnDate = new DateTimePicker();
             ((System.ComponentModel.ISupportInitialize)dataGridViewBook).BeginInit();
             SuspendLayout();
             // 
@@ -41,39 +39,25 @@
             lblOrderDate.AutoSize = true;
             lblOrderDate.Location = new Point(12, 25);
             lblOrderDate.Name = "lblOrderDate";
-            lblOrderDate.Size = new Size(72, 15);
+            lblOrderDate.Size = new Size(93, 20);
             lblOrderDate.TabIndex = 2;
             lblOrderDate.Text = "Дата заказа:";
             // 
-            // txtOrderDate
-            // 
-            txtOrderDate.Location = new Point(129, 25);
-            txtOrderDate.Name = "txtOrderDate";
-            txtOrderDate.Size = new Size(200, 23);
-            txtOrderDate.TabIndex = 3;
-            // 
             // lblReturnDate
             // 
             lblReturnDate.AutoSize = true;
             lblReturnDate.Location = new Point(12, 65);
             lblReturnDate.Name = "lblReturnDate";
-            lblReturnDate.Size = new Size(86, 15);
+            lblReturnDate.Size = new Size(111, 20);
             lblReturnDate.TabIndex = 4;
             lblReturnDate.Text = "Дата возврата:";
             // 
-            // txtReturnDate
-            // 
-            txtReturnDate.Location = new Point(129, 65);
-            txtReturnDate.Name = "txtReturnDate";
-            txtReturnDate.Size = new Size(200, 23);
-            txtReturnDate.TabIndex = 5;
-            // 
             // lblReaderID
             // 
             lblReaderID.AutoSize = true;
             lblReaderID.Location = new Point(12, 105);
             lblReaderID.Name = "lblReaderID";
-            lblReaderID.Size = new Size(73, 15);
+            lblReaderID.Size = new Size(92, 20);
             lblReaderID.TabIndex = 6;
             lblReaderID.Text = "ID читателя:";
             // 
@@ -82,7 +66,7 @@
             lblBookID.AutoSize = true;
             lblBookID.Location = new Point(12, 145);
             lblBookID.Name = "lblBookID";
-            lblBookID.Size = new Size(56, 15);
+            lblBookID.Size = new Size(71, 20);
             lblBookID.TabIndex = 8;
             lblBookID.Text = "ID книги:";
             // 
@@ -108,7 +92,7 @@
             // 
             comboBox.Location = new Point(129, 108);
             comboBox.Name = "comboBox";
-            comboBox.Size = new Size(203, 23);
+            comboBox.Size = new Size(203, 28);
             comboBox.TabIndex = 0;
             // 
             // dataGridViewBook
@@ -128,16 +112,31 @@
             Book.Name = "Book";
             Book.Width = 125;
             // 
+            // dtpOrderDate
+            // 
+            dtpOrderDate.Enabled = false;
+            dtpOrderDate.Location = new Point(129, 20);
+            dtpOrderDate.Name = "dtpOrderDate";
+            dtpOrderDate.Size = new Size(203, 27);
+            dtpOrderDate.TabIndex = 13;
+            // 
+            // dtptxtReturnDate
+            // 
+            dtptxtReturnDate.Location = new Point(129, 60);
+            dtptxtReturnDate.Name = "dtptxtReturnDate";
+            dtptxtReturnDate.Size = new Size(203, 27);
+            dtptxtReturnDate.TabIndex = 14;
+            // 
             // FOrder
             // 
             ClientSize = new Size(372, 332);
+            Controls.Add(dtptxtReturnDate);
+            Controls.Add(dtpOrderDate);
             Controls.Add(dataGridViewBook);
             Controls.Add(comboBox);
             Controls.Add(buttonCancel_Click);
             Controls.Add(lblOrderDate);
-            Controls.Add(txtOrderDate);
             Controls.Add(lblReturnDate);
-            Controls.Add(txtReturnDate);
             Controls.Add(lblReaderID);
             Controls.Add(lblBookID);
             Controls.Add(btnSave);
@@ -152,5 +151,7 @@
         private ComboBox comboBox;
         private DataGridView dataGridViewBook;
         private DataGridViewComboBoxColumn Book;
+        private DateTimePicker dtpOrderDate;
+        private DateTimePicker dtptxtReturnDate;
     }
 }
diff --git a/ProjectLibrary/Forms/FOrder.cs b/ProjectLibrary/Forms/FOrder.cs
index 4a0af10..99c9a78 100644
--- a/ProjectLibrary/Forms/FOrder.cs
+++ b/ProjectLibrary/Forms/FOrder.cs
@@ -1,43 +1,28 @@
 using ProjectLibrary.Repositories;
 using ProjectLibrary.Entites;
 using System.Xml.Linq;
+using ProjectLibrary.Repositores;
+using System.Windows.Forms;
 
 namespace ProjectLibrary.Forms
 {
     public partial class FOrder : Form
     {
         private readonly IOrderRepository _orderRepository;
-        private int? _orderId;
+        private readonly IBookRepository _bookRepository;
 
-        public FOrder(IOrderRepository orderRepository)
+        public FOrder(IOrderRepository orderRepository, IReaderRepository _readerRepository, IBookRepository bookRepository)
         {
             InitializeComponent();
-            _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));         
-        }
+            _orderRepository = orderRepository ?? throw new ArgumentNullException(nameof(orderRepository));
+            _bookRepository = bookRepository ?? throw new ArgumentNullException(nameof(_bookRepository));
+            comboBox.DataSource = _readerRepository.ReadReaders();
+            comboBox.DisplayMember = "Name";
+            comboBox.ValueMember = "Id";
 
-        public int Id
-        {
-            set
-            {
-                try
-                {
-                    var order = _orderRepository.ReadOrderById(value);
-                    if (order == null)
-                    {
-                        throw new InvalidOperationException("Заказ не найден.");
-                    }
-
-                    txtOrderDate.Text = order.OrderDate.ToString();
-                    txtReturnDate.Text = order.ReturnDate.ToString();
-                    comboBox.SelectedItem = order.ReaderID;
-                    dataGridViewBook.DataSource = order.BookOrders;
-                    _orderId = value;
-                }
-                catch (Exception ex)
-                {
-                    MessageBox.Show(ex.Message, "Ошибка при загрузке данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
-                }
-            }
+            Book.DataSource = bookRepository.ReadBooks();
+            Book.DisplayMember = "Name";
+            Book.ValueMember = "Id";
         }
 
         private List<Book_Orders> CreateListBooksFromDataGrid()
@@ -45,11 +30,11 @@ namespace ProjectLibrary.Forms
             var list = new List<Book_Orders>();
             foreach (DataGridViewRow row in dataGridViewBook.Rows)
             {
-                if (row.Cells["ColumnBook"].Value == null)
+                if (row.Cells["Book"].Value == null)
                 {
                     continue;
                 }
-                list.Add(Book_Orders.CreateEntity(0, Convert.ToInt32(row.Cells["ColumnBook"].Value)));
+                list.Add(Book_Orders.CreateEntity(0, Convert.ToInt32(row.Cells["Book"].Value)));
             }
             return list;
         }
@@ -58,27 +43,20 @@ namespace ProjectLibrary.Forms
         {
             try
             {
-                if (string.IsNullOrWhiteSpace(txtOrderDate.Text) || string.IsNullOrWhiteSpace(txtReturnDate.Text) || comboBox.SelectedItem == null)
+                if (comboBox.SelectedItem == null)
                 {
                     throw new Exception("Не все поля заполнены.");
                 }
 
                 var order = Orders.CreateEntity(
-                    _orderId ?? 0,
-                    DateTime.Parse(txtOrderDate.Text),
-                    DateTime.Parse(txtReturnDate.Text),
-                    int.Parse(comboBox.SelectedItem.ToString()),
+                    0,
+                    dtptxtReturnDate.Value,
+                    Convert.ToInt32(comboBox.SelectedValue),
                     CreateListBooksFromDataGrid()
                 );
 
-                if (_orderId.HasValue)
-                {
-                    _orderRepository.UpdateOrder(order);
-                }
-                else
-                {
-                    _orderRepository.CreateOrder(order);
-                }
+                _orderRepository.CreateOrder(order);
+
                 Close();
             }
             catch (Exception ex)
diff --git a/ProjectLibrary/Forms/FOrder.resx b/ProjectLibrary/Forms/FOrder.resx
index eacd88f..9770c5a 100644
--- a/ProjectLibrary/Forms/FOrder.resx
+++ b/ProjectLibrary/Forms/FOrder.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema 
+    Microsoft ResX Schema
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
@@ -120,7 +120,4 @@
   <metadata name="Book.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
-  <metadata name="Book.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
-    <value>True</value>
-  </metadata>
 </root>
\ No newline at end of file
diff --git a/ProjectLibrary/Forms/FOrders.Designer.cs b/ProjectLibrary/Forms/FOrders.Designer.cs
index c1b187a..f1626e9 100644
--- a/ProjectLibrary/Forms/FOrders.Designer.cs
+++ b/ProjectLibrary/Forms/FOrders.Designer.cs
@@ -30,7 +30,6 @@
         {
             dataGridViewOrders = new DataGridView();
             buttonAdd = new Button();
-            buttonUpdate = new Button();
             buttonRemove = new Button();
             ((System.ComponentModel.ISupportInitialize)dataGridViewOrders).BeginInit();
             SuspendLayout();
@@ -40,55 +39,40 @@
             dataGridViewOrders.AllowUserToAddRows = false;
             dataGridViewOrders.AllowUserToDeleteRows = false;
             dataGridViewOrders.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridViewOrders.Location = new Point(10, 9);
-            dataGridViewOrders.Margin = new Padding(3, 2, 3, 2);
+            dataGridViewOrders.Location = new Point(11, 12);
             dataGridViewOrders.Name = "dataGridViewOrders";
             dataGridViewOrders.ReadOnly = true;
             dataGridViewOrders.RowHeadersWidth = 51;
             dataGridViewOrders.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
-            dataGridViewOrders.Size = new Size(525, 225);
+            dataGridViewOrders.Size = new Size(600, 300);
             dataGridViewOrders.TabIndex = 4;
             // 
             // buttonAdd
             // 
-            buttonAdd.Location = new Point(10, 249);
-            buttonAdd.Margin = new Padding(3, 2, 3, 2);
+            buttonAdd.Location = new Point(11, 332);
             buttonAdd.Name = "buttonAdd";
-            buttonAdd.Size = new Size(88, 22);
+            buttonAdd.Size = new Size(101, 29);
             buttonAdd.TabIndex = 5;
             buttonAdd.Text = "Добавить";
             buttonAdd.Click += buttonAdd_Click;
             // 
-            // buttonUpdate
-            // 
-            buttonUpdate.Location = new Point(225, 249);
-            buttonUpdate.Margin = new Padding(3, 2, 3, 2);
-            buttonUpdate.Name = "buttonUpdate";
-            buttonUpdate.Size = new Size(88, 22);
-            buttonUpdate.TabIndex = 6;
-            buttonUpdate.Text = "Изменить";
-            buttonUpdate.Click += buttonUpdate_Click;
-            // 
             // buttonRemove
             // 
-            buttonRemove.Location = new Point(448, 249);
-            buttonRemove.Margin = new Padding(3, 2, 3, 2);
+            buttonRemove.Location = new Point(512, 332);
             buttonRemove.Name = "buttonRemove";
-            buttonRemove.Size = new Size(88, 22);
+            buttonRemove.Size = new Size(101, 29);
             buttonRemove.TabIndex = 7;
             buttonRemove.Text = "Удалить";
             buttonRemove.Click += buttonRemove_Click;
             // 
             // FOrders
             // 
-            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(551, 309);
+            ClientSize = new Size(630, 412);
             Controls.Add(dataGridViewOrders);
             Controls.Add(buttonAdd);
-            Controls.Add(buttonUpdate);
             Controls.Add(buttonRemove);
-            Margin = new Padding(3, 2, 3, 2);
             Name = "FOrders";
             Text = "FOrders";
             Load += FOrders_Load;
@@ -100,7 +84,6 @@
 
         private DataGridView dataGridViewOrders;
         private Button buttonAdd;
-        private Button buttonUpdate;
         private Button buttonRemove;
     }
 }
\ No newline at end of file
diff --git a/ProjectLibrary/Forms/FOrders.cs b/ProjectLibrary/Forms/FOrders.cs
index a43130f..e720877 100644
--- a/ProjectLibrary/Forms/FOrders.cs
+++ b/ProjectLibrary/Forms/FOrders.cs
@@ -46,26 +46,6 @@ namespace ProjectLibrary.Forms
             return true;
         }
 
-        private void buttonUpdate_Click(object sender, EventArgs e)
-        {
-            if (!TryGetIdentifierFromSelectedRow(out var findId))
-            {
-                return;
-            }
-
-            try
-            {
-                var form = _container.Resolve<FOrder>();
-                form.Id = findId;
-                form.ShowDialog();
-                LoadList();
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
-            }
-        }
-
         private void buttonRemove_Click(object sender, EventArgs e)
         {
             if (!TryGetIdentifierFromSelectedRow(out var findId))
diff --git a/ProjectLibrary/Forms/FOrders.resx b/ProjectLibrary/Forms/FOrders.resx
index af32865..8b2ff64 100644
--- a/ProjectLibrary/Forms/FOrders.resx
+++ b/ProjectLibrary/Forms/FOrders.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema 
+    Microsoft ResX Schema
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/ProjectLibrary/Forms/FTicket_Extension.cs b/ProjectLibrary/Forms/FTicket_Extension.cs
index 385ebab..ca0e66f 100644
--- a/ProjectLibrary/Forms/FTicket_Extension.cs
+++ b/ProjectLibrary/Forms/FTicket_Extension.cs
@@ -1,5 +1,6 @@
 using ProjectLibrary.Entites;
 using ProjectLibrary.Repositores;
+using ProjectLibrary.Repositories;
 
 namespace ProjectLibrary.Forms
 {
@@ -30,10 +31,16 @@ namespace ProjectLibrary.Forms
                 }
             }
         }
-        public FTicket_Extension(ITicketExtensionsRepository ticketRepository)
+        public FTicket_Extension(ITicketExtensionsRepository ticketRepository, IReaderRepository readerRepository)
         {
             InitializeComponent();
             _ticketExtensionsRepository = ticketRepository ?? throw new ArgumentNullException(nameof(ticketRepository));
+            readerRepository = readerRepository ?? throw new ArgumentNullException(nameof(readerRepository));
+
+            
+            comboBoxId.DataSource = readerRepository.ReadReaders();
+            comboBoxId.DisplayMember = "Name"; // Предполагается, что у Reader есть свойство Name
+            comboBoxId.ValueMember = "Id";    // И свойство Id для идентификации
         }
 
         private void btnSave_Click(object sender, EventArgs e)
@@ -46,7 +53,8 @@ namespace ProjectLibrary.Forms
                 }
 
                 var ticket = TicketExtensions.CreateEntity(
-                    _extensionId ?? 0,
+                    0,
+                    (int)comboBoxId.SelectedValue!,
                     DateTime.Parse(dtpLastUpdateDate.Text),
                     DateTime.Parse(dtpNextUpdateDate.Text)
                 );
diff --git a/ProjectLibrary/Forms/FTiclet_Extensions.cs b/ProjectLibrary/Forms/FTiclet_Extensions.cs
index 9a8f2ce..858fec3 100644
--- a/ProjectLibrary/Forms/FTiclet_Extensions.cs
+++ b/ProjectLibrary/Forms/FTiclet_Extensions.cs
@@ -72,7 +72,7 @@ namespace ProjectLibrary.Forms
                 return false;
             }
 
-            id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+            id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["ReaderID"].Value);
             return true;
         }
     }
diff --git a/ProjectLibrary/Program.cs b/ProjectLibrary/Program.cs
index e0ded03..c0feb5c 100644
--- a/ProjectLibrary/Program.cs
+++ b/ProjectLibrary/Program.cs
@@ -2,6 +2,11 @@ using ProjectLibrary.Repositories.Implementations;
 using ProjectLibrary.Repositories;
 using Unity;
 using ProjectLibrary.Repositores;
+using ProjectLibrary.Repositores.Implementations;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Unity.Microsoft.Logging;
 
 namespace ProjectLibrary
 {
@@ -23,13 +28,28 @@ namespace ProjectLibrary
         {
             var container = new UnityContainer();
 
+            container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
+
             // ����������� ������������
             container.RegisterType<IBookRepository, BookRepository>();
             container.RegisterType<ILibraryRepository, LibraryRepository>();
             container.RegisterType<IReaderRepository, ReaderRepository>();
             container.RegisterType<IOrderRepository, OrderRepository>();
             container.RegisterType<ITicketExtensionsRepository, TicketExtensionsRepository>();
+            container.RegisterType<IConnectionString, ConnectionString>();
             return container;
         }
+
+        private static LoggerFactory CreateLoggerFactory()
+        {
+            var loggerFactory = new LoggerFactory();
+            loggerFactory.AddSerilog(new LoggerConfiguration()
+                .ReadFrom.Configuration(new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json")
+                .Build())
+                .CreateLogger());
+            return loggerFactory;
+        }
     }
 }
\ No newline at end of file
diff --git a/ProjectLibrary/ProjectLibrary.csproj b/ProjectLibrary/ProjectLibrary.csproj
index accbdf0..b94bfad 100644
--- a/ProjectLibrary/ProjectLibrary.csproj
+++ b/ProjectLibrary/ProjectLibrary.csproj
@@ -9,7 +9,18 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Unity" Version="5.11.10" />
+    <PackageReference Include="Unity.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -27,4 +38,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/ProjectLibrary/Repositores/IConnectionString.cs b/ProjectLibrary/Repositores/IConnectionString.cs
new file mode 100644
index 0000000..276ab16
--- /dev/null
+++ b/ProjectLibrary/Repositores/IConnectionString.cs
@@ -0,0 +1,6 @@
+namespace ProjectLibrary.Repositores;
+
+public interface IConnectionString
+{
+    public string ConnectionString { get; }
+}
diff --git a/ProjectLibrary/Repositores/IOrderRepository.cs b/ProjectLibrary/Repositores/IOrderRepository.cs
index 47a1c5d..0249e15 100644
--- a/ProjectLibrary/Repositores/IOrderRepository.cs
+++ b/ProjectLibrary/Repositores/IOrderRepository.cs
@@ -7,7 +7,6 @@
         IEnumerable<Orders> ReadOrders();
         Orders ReadOrderById(int id);
         void CreateOrder(Orders order);
-        void UpdateOrder(Orders order);
         void DeleteOrder(int id);
     }
 }
diff --git a/ProjectLibrary/Repositores/Implementations/BookRepository.cs b/ProjectLibrary/Repositores/Implementations/BookRepository.cs
index aa7a83b..a400298 100644
--- a/ProjectLibrary/Repositores/Implementations/BookRepository.cs
+++ b/ProjectLibrary/Repositores/Implementations/BookRepository.cs
@@ -1,35 +1,145 @@
-using ProjectLibrary.Entities;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectLibrary.Entities;
 using ProjectLibrary.Entities.Enums;
+using ProjectLibrary.Repositories;
+using Dapper;
 using ProjectLibrary.Repositores;
 
 namespace ProjectLibrary.Repositories.Implementations
 {
     public class BookRepository : IBookRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<BookRepository> _logger;
+
+        public BookRepository(IConnectionString connectionString, ILogger<BookRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
+
+        // Добавление книги
         public void CreateBook(Book book)
         {
-            
+            _logger.LogInformation("Добавление книги");
+            _logger.LogDebug("Книга: {json}", JsonConvert.SerializeObject(book));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryInsert = @"
+                    INSERT INTO Book (Author, Name, TypeBookID)
+                    VALUES (@Author, @Name, @TypeBookID)";
+                connection.Execute(queryInsert, book);
+                _logger.LogInformation("Книга успешно добавлена");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении книги");
+                throw;
+            }
         }
 
+        // Обновление информации о книге
         public void UpdateBook(Book book)
         {
-
+            _logger.LogInformation("Редактирование книги");
+            _logger.LogDebug("Книга: {json}", JsonConvert.SerializeObject(book));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryUpdate = @"
+                    UPDATE Book
+                    SET
+                        Author = @Author,
+                        Name = @Name,
+                        TypeBookID = @TypeBookID
+                    WHERE ID = @ID";
+                connection.Execute(queryUpdate, book);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании книги");
+                throw;
+            }
         }
 
+        // Удаление книги
         public void DeleteBook(int id)
         {
-           
+            _logger.LogInformation("Удаление книги с Id={id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryDelete = @"
+                    DELETE FROM Book
+                    WHERE ID = @id";
+                var affectedRows = connection.Execute(queryDelete, new { id });
+
+                if (affectedRows > 0)
+                {
+                    _logger.LogInformation("Книга с Id={id} успешно удалена", id);
+                }
+                else
+                {
+                    _logger.LogWarning("Книга с Id={id} не найдена для удаления", id);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении книги с Id={id}", id);
+                throw;
+            }
         }
 
+        // Получение книги по ID
         public Book ReadBookById(int id)
         {
-            
-            return Book.CreateEntity(id, "", "", 0);
+            _logger.LogInformation("Получение книги по Id={id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = @"
+                    SELECT * FROM Book
+                    WHERE ID = @id";
+                var book = connection.QueryFirstOrDefault<Book>(querySelect, new { id });
+
+                if (book != null)
+                {
+                    _logger.LogDebug("Найдена книга: {json}", JsonConvert.SerializeObject(book));
+                }
+                else
+                {
+                    _logger.LogWarning("Книга с Id={id} не найдена", id);
+                }
+
+                return book;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при получении книги с Id={id}", id);
+                throw;
+            }
         }
 
+        // Получение всех книг
         public IEnumerable<Book> ReadBooks()
         {
-            return [];
+            _logger.LogInformation("Получение всех книг");
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Book";
+                var books = connection.Query<Book>(querySelect);
+                _logger.LogDebug("Полученные книги: {json}", JsonConvert.SerializeObject(books));
+                return books;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при получении списка книг");
+                throw;
+            }
         }
     }
 }
diff --git a/ProjectLibrary/Repositores/Implementations/ConnectionString.cs b/ProjectLibrary/Repositores/Implementations/ConnectionString.cs
new file mode 100644
index 0000000..ccf3229
--- /dev/null
+++ b/ProjectLibrary/Repositores/Implementations/ConnectionString.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectLibrary.Repositores.Implementations;
+
+public class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Host=127.0.0.1;Port=5432;Username=postgres;Database=labsofdatabase;Password=3565;";
+}
diff --git a/ProjectLibrary/Repositores/Implementations/LibraryRepository.cs b/ProjectLibrary/Repositores/Implementations/LibraryRepository.cs
index 4bfe06e..fccda71 100644
--- a/ProjectLibrary/Repositores/Implementations/LibraryRepository.cs
+++ b/ProjectLibrary/Repositores/Implementations/LibraryRepository.cs
@@ -1,33 +1,202 @@
-using ProjectLibrary.Entites;
-
+using ProjectLibrary.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectLibrary.Repositores;
+using ProjectLibrary.Entites;
 
 namespace ProjectLibrary.Repositories.Implementations
 {
     public class LibraryRepository : ILibraryRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<LibraryRepository> _logger;
+
+        public LibraryRepository(IConnectionString connectionString, ILogger<LibraryRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
+
         public void CreateLibrary(Library library)
         {
-           
+            _logger.LogInformation("Добавление новой библиотеки");
+            _logger.LogDebug("Библиотека: {json}", JsonConvert.SerializeObject(library));
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open(); // открываем соединение
+                using var transaction = connection.BeginTransaction(); // начинаем транзакцию
+                var queryInsert = @"
+                    INSERT INTO Library (Name, Address)
+                    VALUES (@Name, @Address);
+                    SELECT MAX(Id) FROM LIBRARY";
+                var libraryID = connection.QueryFirst<int>(queryInsert, library, transaction); // добавляем в транзакцию запросы, 
+                var querySubInsert = @"INSERT INTO BOOK_LIBRARY (BOOKID, LIBRARYID, COUNT)
+                                        VALUES (@BOOKID, @LIBRARYID, @COUNT) ";
+                foreach (var elem in library.BookLibrary)
+                {
+                    connection.Execute(querySubInsert, new
+                    {
+                        elem.BookID,
+                        libraryID,
+                        elem.Count
+                    }, transaction); // добавляем в транзакцию запросы, качество параметра 
+                }
+                transaction.Commit(); // отправляем транзакцию и она выполняет все положенные в неё запросы
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении библиотеки");
+                throw;
+            }
         }
 
         public void UpdateLibrary(Library library)
         {
+            _logger.LogInformation("Редактирование библиотеки");
+            _logger.LogDebug("Библиотека: {json}", JsonConvert.SerializeObject(library));
 
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                using var transaction = connection.BeginTransaction();
+                var queryUpdate = @"
+                    UPDATE Library
+                    SET
+                        Name = @Name,
+                        Address = @Address
+                    WHERE ID = @ID";
+                connection.Execute(queryUpdate, library, transaction);
+                var querySubUpdate = @"
+                    UPDATE BOOK_LIBRARY
+                    SET
+                        BOOKID = @BOOKID,
+                        COUNT = @COUNT
+                    WHERE ID = @id";
+                var querySubInsert = @"INSERT INTO BOOK_LIBRARY (BookID, LibraryID, Count)
+                                        VALUES (@BookID, @Id, @Count) ";
+                int ind = 0;
+                List<int> listId = connection.Query<int>("Select Id From BOOK_LIBRARY Where LIBRARYID = @id", new { library.Id }).ToList();
+                foreach (var elem in library.BookLibrary)
+                {
+                    if (ind > listId.Count-1)
+                    {
+                        connection.Execute(querySubInsert, new
+                        {
+                            elem.BookID,
+                            library.Id,
+                            elem.Count
+                        }, transaction);
+                        continue;
+                    }
+                    int id = listId[ind];
+                    connection.Execute(querySubUpdate, new
+                    {
+                        id,
+                        elem.BookID,
+                        elem.Count
+                    }, transaction);
+                    ind++;
+                }
+                transaction.Commit();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании библиотеки");
+                throw;
+            }
         }
 
         public void DeleteLibrary(int id)
         {
-            
+            _logger.LogInformation("Удаление библиотеки");
+            _logger.LogDebug("ID библиотеки: {id}", id);
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                using var transaction = connection.BeginTransaction();
+                var querySubDelete = @"
+                    DELETE FROM Book_Library
+                    WHERE LibraryID = @id";
+                connection.Execute(querySubDelete, new { id }, transaction);
+                var queryDelete = @"
+                    DELETE FROM Library
+                    WHERE ID = @id";
+                connection.Execute(queryDelete, new { id }, transaction);
+                transaction.Commit();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении библиотеки");
+                throw;
+            }
         }
 
         public Library ReadLibraryById(int id)
         {
-            return Library.CreateEntity(id, "", "", []);
+            _logger.LogInformation("Получение библиотеки по идентификатору");
+            _logger.LogDebug("ID библиотеки: {id}", id);
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = @"
+                    SELECT * FROM Library
+                    WHERE ID = @id"; 
+                var library = connection.QueryFirstOrDefault<Library>(querySelect, new { id });
+                library = Library.CreateEntity(id, library.Name, library.Address, ReadBookLibraryById(id));
+                _logger.LogDebug("Найденная библиотека: {json}", JsonConvert.SerializeObject(library));
+                return library;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при поиске библиотеки");
+                throw;
+            }
         }
 
         public IEnumerable<Library> ReadLibraries()
         {
-            return [];
+            _logger.LogInformation("Получение всех библиотек");
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Library";
+                var libraries = connection.Query<Library>(querySelect);
+                _logger.LogDebug("Полученные библиотеки: {json}", JsonConvert.SerializeObject(libraries));
+                return libraries;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении библиотек");
+                throw;
+            }
+        }
+
+        public IEnumerable<Book_Library> ReadBookLibraryById(int id)
+        {
+            _logger.LogInformation("Получение всех библиотек");
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Book_Library WHERE LibraryID = @id";
+                var libraries = connection.Query<Book_Library>(querySelect, new { id });
+                _logger.LogDebug("Полученные библиотеки: {json}", JsonConvert.SerializeObject(libraries));
+                return libraries;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении библиотек");
+                throw;
+            }
         }
     }
 }
diff --git a/ProjectLibrary/Repositores/Implementations/OrderRepository.cs b/ProjectLibrary/Repositores/Implementations/OrderRepository.cs
index f514ed1..5499f20 100644
--- a/ProjectLibrary/Repositores/Implementations/OrderRepository.cs
+++ b/ProjectLibrary/Repositores/Implementations/OrderRepository.cs
@@ -1,31 +1,128 @@
-using ProjectLibrary.Entites;
+using ProjectLibrary.Entities;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using Dapper;
+using System.Collections.Generic;
+using ProjectLibrary.Repositories;
+using System.Transactions;
+using System.Data.Common;
+using ProjectLibrary.Entites;
+using ProjectLibrary.Repositores;
 
 namespace ProjectLibrary.Repositories.Implementations
 {
     public class OrderRepository : IOrderRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<OrderRepository> _logger;
+
+        public OrderRepository(IConnectionString connectionString, ILogger<OrderRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
+
+        // Добавление нового заказа
         public void CreateOrder(Orders order)
         {
-            
-        }
-        public void UpdateOrder(Orders order)
-        {
+            _logger.LogInformation("Добавление нового заказа");
+            _logger.LogDebug("Заказ: {json}", JsonConvert.SerializeObject(order));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                using var transaction = connection.BeginTransaction();
 
+                // Вставляем сам заказ в таблицу Orders
+                var queryInsertOrder = @"
+                    INSERT INTO Orders (OrderDate, ReturnDate, ReaderID) 
+                    VALUES (@OrderDate, @ReturnDate, @ReaderID);
+                    SELECT MAX(Id) FROM Orders"; // Возвращаем ID вставленного заказа
+                var orderId = connection.QueryFirst<int>(queryInsertOrder, order, transaction);
+
+                // Вставляем ассоциации книг с заказом в таблицу Book_Orders
+                foreach (var bookId in order.BookOrders)  // Предполагается, что Order.BookOrders содержит список ID книг
+                {
+                    var queryInsertBookOrder = @"
+                        INSERT INTO Book_Orders (BookID, OrderID) 
+                        VALUES (@BookID, @OrderID)";
+                    connection.Execute(queryInsertBookOrder, new { bookId.BookID, orderId }, transaction);
+                }
+                transaction.Commit();
+                _logger.LogInformation("Заказ успешно добавлен с ID={OrderId}", orderId);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении заказа");
+                throw;
+            }
         }
 
+        // Удаление заказа
         public void DeleteOrder(int id)
         {
-            
+            _logger.LogInformation("Удаление объекта");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                using var transaction = connection.BeginTransaction();
+                var querySubDelete = @"
+                            DELETE FROM Book_Orders
+                            WHERE OrderId=@id";
+                connection.Execute(querySubDelete, new { id }, transaction);
+                var queryDelete = @"
+                            DELETE FROM Orders
+                            WHERE Id=@id";
+                connection.Execute(queryDelete, new { id }, transaction);
+                transaction.Commit();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
         }
 
+        // Получение заказа по ID
         public Orders ReadOrderById(int id)
         {
-            return Orders.CreateEntity(0, DateTime.Now, DateTime.Now, 0, []);
+            _logger.LogInformation("Получение заказа по ID={id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelectOrder = "SELECT * FROM Orders WHERE ID = @id";
+                var order = connection.QueryFirstOrDefault<Orders>(querySelectOrder, new { id });
+                _logger.LogDebug("Найден заказ: {json}", JsonConvert.SerializeObject(order));
+
+                return order;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при получении заказа с ID={id}", id);
+                throw;
+            }
         }
 
+        // Получение всех заказов
         public IEnumerable<Orders> ReadOrders()
         {
-            return [] ;
+            _logger.LogInformation("Получение всех объектов");
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = @"SELECT * FROM Orders";
+                var order = connection.Query<Orders>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(order));
+                return order;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
         }
     }
 }
diff --git a/ProjectLibrary/Repositores/Implementations/ReaderRepository.cs b/ProjectLibrary/Repositores/Implementations/ReaderRepository.cs
index ce70eda..5f8ea42 100644
--- a/ProjectLibrary/Repositores/Implementations/ReaderRepository.cs
+++ b/ProjectLibrary/Repositores/Implementations/ReaderRepository.cs
@@ -1,31 +1,159 @@
 using ProjectLibrary.Entities;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using Dapper;
+using System.Collections.Generic;
+using ProjectLibrary.Repositores;
 
 namespace ProjectLibrary.Repositories
 {
     public class ReaderRepository : IReaderRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<ReaderRepository> _logger;
+
+        public ReaderRepository(IConnectionString connectionString, ILogger<ReaderRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
+
+        // Добавление нового читателя
         public void CreateReader(Reader reader)
         {
-           
+            _logger.LogInformation("Добавление читателя");
+            _logger.LogDebug("Читатель: {json}", JsonConvert.SerializeObject(reader));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryInsert = @"
+                    INSERT INTO Reader (Name, ReaderTicket, RegistrationDateRT)  -- Используем правильные названия столбцов из вашей таблицы
+                    VALUES (@Name, @ReaderTicket, @RegistrationDateRT)";
+                connection.Execute(queryInsert, reader);
+                _logger.LogInformation("Читатель успешно добавлен");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении читателя");
+                throw;
+            }
         }
 
+        // Обновление информации о читателе
         public void UpdateReader(Reader reader)
         {
-           
+            _logger.LogInformation("Редактирование читателя");
+            _logger.LogDebug("Читатель: {json}", JsonConvert.SerializeObject(reader));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryUpdate = @"
+                    UPDATE Reader  -- Используем правильное имя таблицы
+                    SET
+                        Name = @Name,   -- Используем правильные названия столбцов
+                        ReaderTicket = @ReaderTicket,
+                        RegistrationDateRT = @RegistrationDateRT
+                    WHERE ID = @ID";
+                var affectedRows = connection.Execute(queryUpdate, new
+                {
+                    Name = reader.Name,
+                    ReaderTicket = reader.ReaderTicket,
+                    RegistrationDateRT = reader.RegistrationDateRT,
+                    ID = reader.Id
+                });
+
+                if (affectedRows > 0)
+                {
+                    _logger.LogInformation("Читатель успешно обновлен");
+                }
+                else
+                {
+                    _logger.LogWarning("Читатель с ID={Id} не найден для обновления", reader.Id);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании читателя");
+                throw;
+            }
         }
 
+        // Удаление читателя
         public void DeleteReader(int id)
         {
-            
-        }
-        public Reader ReadReaderById(int id)
-        {
-            return Reader.CreateEntity(id, "", 0);
+            _logger.LogInformation("Удаление читателя с ID={id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var queryDelete = @"
+                    DELETE FROM Reader  -- Используем правильное имя таблицы
+                    WHERE ID = @id";
+                var affectedRows = connection.Execute(queryDelete, new { id });
+
+                if (affectedRows > 0)
+                {
+                    _logger.LogInformation("Читатель с ID={id} успешно удален", id);
+                }
+                else
+                {
+                    _logger.LogWarning("Читатель с ID={id} не найден для удаления", id);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении читателя с ID={id}", id);
+                throw;
+            }
         }
 
+        // Получение читателя по ID
+        public Reader ReadReaderById(int id)
+        {
+            _logger.LogInformation("Получение читателя по ID={id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = @"
+                    SELECT * FROM Reader  -- Используем правильное имя таблицы
+                    WHERE ID = @id";
+                var reader = connection.QueryFirstOrDefault<Reader>(querySelect, new { id });
+
+                if (reader != null)
+                {
+                    _logger.LogDebug("Найден читатель: {json}", JsonConvert.SerializeObject(reader));
+                }
+                else
+                {
+                    _logger.LogWarning("Читатель с ID={id} не найден", id);
+                }
+
+                return reader;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при поиске читателя");
+                throw;
+            }
+        }
+
+        // Получение всех читателей
         public List<Reader> ReadReaders()
         {
-            return [];
+            _logger.LogInformation("Получение всех читателей");
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Reader";  // Используем правильное имя таблицы
+                var readers = connection.Query<Reader>(querySelect).ToList();
+                _logger.LogDebug("Полученные читатели: {json}", JsonConvert.SerializeObject(readers));
+                return readers;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении списка читателей");
+                throw;
+            }
         }
     }
 }
diff --git a/ProjectLibrary/Repositores/Implementations/TicketExtensionsRepository.cs b/ProjectLibrary/Repositores/Implementations/TicketExtensionsRepository.cs
index 1632764..0faaff3 100644
--- a/ProjectLibrary/Repositores/Implementations/TicketExtensionsRepository.cs
+++ b/ProjectLibrary/Repositores/Implementations/TicketExtensionsRepository.cs
@@ -1,25 +1,128 @@
-using ProjectLibrary.Entites;
+using ProjectLibrary.Entities;
+using ProjectLibrary.Repositories;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using Dapper;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using ProjectLibrary.Entites;
 using ProjectLibrary.Repositores;
 
-public class TicketExtensionsRepository : ITicketExtensionsRepository
+namespace ProjectLibrary.Repositories.Implementations
 {
-    public void CreateTicketExtension(TicketExtensions ticketExtension)
+    public class TicketExtensionsRepository : ITicketExtensionsRepository
     {
-        
-    }
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<TicketExtensionsRepository> _logger;
 
-    public void UpdateTicketExtension(TicketExtensions ticketExtension)
-    {
-       
-    }
+        public TicketExtensionsRepository(IConnectionString connectionString, ILogger<TicketExtensionsRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
 
-    public TicketExtensions ReadTicketExtensionById(int id)
-    {
-        return TicketExtensions.CreateEntity(0, DateTime.Now, DateTime.Now);
-    }
+        // Создание новой записи о продлении билета
+        public void CreateTicketExtension(TicketExtensions ticketExtension)
+        {
+            _logger.LogInformation("Добавление нового продления билета для читателя с ID={ReaderID}", ticketExtension.ReaderID);
+            _logger.LogDebug("Данные продления: {json}", JsonConvert.SerializeObject(ticketExtension));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
 
-    public List<TicketExtensions> ReadTicketExtensions()
-    {
-        return [];
+                var queryInsert = @"
+                    INSERT INTO Ticket_Extensions (ReaderID, LastUpdateDate, NextUpdateDate)
+                    VALUES (@ReaderID, @LastUpdateDate, @NextUpdateDate)";
+                connection.Execute(queryInsert, ticketExtension);
+
+                _logger.LogInformation("Продление билета успешно добавлено для читателя с ID={ReaderID}", ticketExtension.ReaderID);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении продления билета");
+                throw;
+            }
+        }
+
+        // Обновление информации о продлении билета
+        public void UpdateTicketExtension(TicketExtensions ticketExtension)
+        {
+            _logger.LogInformation("Редактирование продления билета для читателя с ID={ReaderID}", ticketExtension.ReaderID);
+            _logger.LogDebug("Данные продления: {json}", JsonConvert.SerializeObject(ticketExtension));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+
+                var queryUpdate = @"
+                    UPDATE Ticket_Extensions
+                    SET LastUpdateDate = @LastUpdateDate, NextUpdateDate = @NextUpdateDate
+                    WHERE ReaderID = @ReaderID";
+                var affectedRows = connection.Execute(queryUpdate, ticketExtension);
+
+                if (affectedRows > 0)
+                {
+                    _logger.LogInformation("Продление билета успешно обновлено для читателя с ID={ReaderID}", ticketExtension.ReaderID);
+                }
+                else
+                {
+                    _logger.LogWarning("Продление билета для читателя с ID={ReaderID} не найдено для обновления", ticketExtension.ReaderID);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании продления билета");
+                throw;
+            }
+        }
+
+        // Получение продления билета по ID читателя
+        public TicketExtensions ReadTicketExtensionById(int readerId)
+        {
+            _logger.LogInformation("Получение продления билета для читателя с ID={readerId}", readerId);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Ticket_Extensions WHERE ReaderID = @readerId";
+                var ticketExtension = connection.QueryFirstOrDefault<TicketExtensions>(querySelect, new { readerId });
+
+                if (ticketExtension != null)
+                {
+                    _logger.LogDebug("Найдено продление билета: {json}", JsonConvert.SerializeObject(ticketExtension));
+                }
+                else
+                {
+                    _logger.LogWarning("Продление билета для читателя с ID={readerId} не найдено", readerId);
+                }
+
+                return ticketExtension;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при получении продления билета с ID={readerId}", readerId);
+                throw;
+            }
+        }
+
+        // Получение всех продлений билетов
+        public List<TicketExtensions> ReadTicketExtensions()
+        {
+            _logger.LogInformation("Получение всех продлений билетов");
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Ticket_Extensions";
+                var ticketExtensions = connection.Query<TicketExtensions>(querySelect).ToList();
+
+                _logger.LogDebug("Полученные продления билетов: {json}", JsonConvert.SerializeObject(ticketExtensions));
+                return ticketExtensions;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при получении списка продлений билетов");
+                throw;
+            }
+        }
     }
 }
diff --git a/ProjectLibrary/appsettings.json b/ProjectLibrary/appsettings.json
new file mode 100644
index 0000000..540cd04
--- /dev/null
+++ b/ProjectLibrary/appsettings.json
@@ -0,0 +1,15 @@
+{
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": "Debug",
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "Logs.txt",
+          "rollingInterval": "Day"
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file