diff --git a/CMakeLists.txt b/CMakeLists.txt
index a462a39..40afeae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,16 +1,58 @@
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.16)
 project(cpp-opds)
 
 set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(ODB_INCLUDE_DIRS /usr/include)
+set(ODB_LIBRARY_DIRS /usr/lib/x86_64-linux-gnu)
+
+include_directories(${ODB_INCLUDE_DIRS})
+link_directories(${ODB_LIBRARY_DIRS})
 
 find_package(Qt6 REQUIRED COMPONENTS Core Sql Network)
+# find_package(ODB REQUIRED)
+# find_package(SQLite3 REQUIRED)
+
+find_library(ODB_LIBRARIES NAMES odb HINTS ${ODB_LIBRARY_DIRS})
+find_library(ODB_SQLITE_LIBRARIES NAMES odb-sqlite HINTS ${ODB_LIBRARY_DIRS})
+
 
 set(CMAKE_AUTOMOC ON)  # <-- Включаем автоматическую генерацию MOC-файлов
 
-add_executable(cpp-opds
+# include_directories(${ODB_INCLUDE_DIRS} ${SQLite3_INCLUDE_DIRS})
+# link_directories(${ODB_LIBRARY_DIRS} ${SQLite3_LIBRARY_DIRS})
+
+# add_executable(cpp-opds
+#     src/main.cpp
+#     include/backend.cpp
+# )
+
+set(SOURCE_FILES
     src/main.cpp
-    include/backend.cpp
+    # src/database.cpp
+    # src/book.cpp
+    # src/author.hpp
 )
 
+set(ODB_SOURCES
+    src/book
+    src/author
+)
+
+# Генерация ODB файлов
+foreach(file ${ODB_SOURCES})
+    add_custom_command(
+        OUTPUT ${file}.odb.cpp ${file}.odb.hpp
+        COMMAND odb --generate-query --generate-schema --database sqlite ${file}.hpp
+        DEPENDS ${file}.hpp
+        COMMENT "Running ODB on ${file}.hpp"
+    )
+    list(APPEND SOURCE_FILES ${file}.odb.cpp)
+endforeach()
+
+add_executable(cpp-opds ${SOURCE_FILES})
+
 target_include_directories(cpp-opds PRIVATE include)
-target_link_libraries(cpp-opds Qt6::Core Qt6::Sql Qt6::Network)
+# target_link_libraries(cpp-opds Qt6::Core Qt6::Sql Qt6::Network ${ODB_LIBRARIES} ${SQLite3_LIBRARIES})
+target_link_libraries(cpp-opds Qt6::Core Qt6::Sql Qt6::Network ${ODB_LIBRARIES} ${ODB_SQLITE_LIBRARIES})
diff --git a/src/author.hpp b/src/author.hpp
new file mode 100644
index 0000000..69d1ce2
--- /dev/null
+++ b/src/author.hpp
@@ -0,0 +1,13 @@
+#pragma db object
+class Author {
+public:
+    Author() = default;
+    Author(const std::string& name) : name(name) {}
+
+    const std::string& getName() const { return name; }
+
+private:
+    #pragma db id auto
+    int id;
+    std::string name;
+};
\ No newline at end of file
diff --git a/src/book.hpp b/src/book.hpp
new file mode 100644
index 0000000..f6b5c2b
--- /dev/null
+++ b/src/book.hpp
@@ -0,0 +1,22 @@
+#pragma db object
+class Book {
+public:
+    Book() = default;
+    Book(const std::string& title, const std::string& author, const std::string& filePath, 
+         int fileSize, const std::string& format);
+
+    const std::string& getTitle() const { return title; }
+    const std::string& getAuthor() const { return author; }
+    const std::string& getFilePath() const { return filePath; }
+    int getFileSize() const { return fileSize; }
+    const std::string& getFormat() const { return format; }
+
+private:
+    #pragma db id auto
+    int id;
+    std::string title;
+    std::string author;
+    std::string filePath;
+    int fileSize;
+    std::string format;
+};
\ No newline at end of file
diff --git a/src/database.cpp b/src/database.cpp
new file mode 100644
index 0000000..4bbec8c
--- /dev/null
+++ b/src/database.cpp
@@ -0,0 +1,13 @@
+#include "database.h"
+#include <odb/sqlite/database.hxx>
+#include <odb/schema-catalog.hxx>
+#include "book-odb.hxx"
+#include "author-odb.hxx"
+
+std::unique_ptr<odb::sqlite::database> initializeDatabase(const std::string& dbPath) {
+    auto db = std::make_unique<odb::sqlite::database>(dbPath, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
+    odb::transaction t(db->begin());
+    odb::schema_catalog::create_schema(*db);
+    t.commit();
+    return db;
+}
\ No newline at end of file
diff --git a/src/database.h b/src/database.h
new file mode 100644
index 0000000..e69de29