diff --git a/models/book.py b/models/book.py
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+++ b/models/book.py
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+from sqlalchemy import Column, String, Integer, ForeignKey
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.api.db.base_class import Base
+import uuid
+
+class Book(Base):
+    __tablename__ = "books"
+
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String, index=True)
+    author = Column(String, index=True)
+    description = Column(String)
+    published_year = Column(Integer)
+    isbn = Column(String, unique=True)
+
+    # Timestamps
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+```
+
+This SQLAlchemy model defines a `Book` class that extends the `Base` class. It includes the following columns:
+
+- `id`: An integer primary key with an index.
+- `title`: A string column for the book title with an index.
+- `author`: A string column for the book author with an index.
+- `description`: A string column for the book description.
+- `published_year`: An integer column for the year the book was published.
+- `isbn`: A string column for the book's ISBN number, which is set as unique.
+- `created_at`: A datetime column that stores the creation timestamp, defaulting to the current time.
+- `updated_at`: A datetime column that stores the last update timestamp, defaulting to the current time and updating on each change.
+
+With this model, you can query books by title and author using the indexes on those columns. The `isbn` column is set as unique to prevent duplicates. The timestamps will automatically record when a book record was created and last updated.
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