J. R. R. Tolkien Adaptations - 9 Movies
The Hobbit - 4 Movies
The Lord of the Rings trilogy - 3 Movies
Peter Jackson's The Hobbit trilogy - 3 Movies
Don DeLillo Adaptations - 1 Movies
J. G. Ballard Adaptations - 1 Movies
Scanners - 1 Movies
John Grisham Adaptations - 1 Movies
Thomas Harris Adaptations - 1 Movies
Stephenie Meyer Adaptations - 1 Movies
Twilight - 1 Movies
Infernal Affairs - 1 Movies