Which movie is based on a book??

One example of a movie based on a book is "The Lord of the Rings" trilogy, which is based on the books by J.R.R. Tolkien.

There are several movies based on books, to name a few:
- The Shawshank Redemption (based on the Stephen King novella "Rita Hayworth and the Shawshank Redemption")
- The Lord of the Rings trilogy (based on the J.R.R. Tolkien book series of the same name)
- The Godfather (based on the Mario Puzo novel of the same name)
- To Kill a Mockingbird (based on the Harper Lee novel of the same name)
- The Great Gatsby (based on the F. Scott Fitzgerald novel of the same name)