Many favorite and classic horror films were first developed as novels. Some people prefer to read the books before the movies, and some people do not learn about the books until after watching the movie. Either way, it is worth checking out these 30 scary movies that once started as best-selling books:

1. The Exorcist

2. Psycho

3. It

4. The Shining

5. The Silence of the Lambs

6. The Invisible Man

7. The Ring

8. Misery

9. American Psycho

10. Birdbox

11. Jaws

12. Cujo

13. Carrie

14. Candyman

15. The Amityville Horror

16. Pet Sematary

17. Christine

18. The Legend of Sleepy Hollow

19. Coraline

20. The Turning

21. Audition

22. The Woman in Black

23. Scary Stories to Tell in the Dark

24. Let the Right One In

25. The Ritual

26. World War Z

27. Hellraiser

28. Frankenstein

29. Interview with the Vampire

30. Red Dragon