The Biology Grade 11 Textbook app is designed to cater to Ethiopian students seeking a convenient way to access educational materials on their Android devices. It offers a well-compiled collection of e-books that are easy to navigate through. Users can seamlessly move from one chapter to another while the app intelligently retains the page number, eliminating the need for manual tracking. Even during device orientation changes, such as from landscape to portrait mode, the app ensures that users do not lose track of their reading progress. Additionally, the app automatically saves the user's last read page for each chapter, even when the app is closed. With offline functionality and a request for user feedback and ratings, this app aims to enhance the learning experience for students.