Streamline bookstore operations and inventory tracking with SmartBook Manager, a modern and lightweight desktop application. Built using Python's default Tkinter GUI and powered by a reliable SQLite database, this system provides a robust solution for managing books, authors, pricing, and stock levels without any complex setup. The application offers full inventory control, allowing users to add new books, view current stock in a clean interface, update details on the fly, and delete old entries. To make data management completely portable, it features direct one-click data exporting to both CSV and TXT files. Enhanced with modern UI elements like a continuous text marquee and a live dashboard clock, this project stands out as an exceptional choice for academic submissions, coding portfolios, or small-scale retail use.