For children and young adults:
* Goosebumps: This is his most famous series, featuring scary stories for children. There are over 200 Goosebumps books, many of which have been adapted into television shows and movies.
* Fear Street: This series is aimed at teenagers and focuses on horror stories set in a fictional town called Shadyside. There are over 80 Fear Street books.
* The Nightmare Room: A series of books based on the television series of the same name, each book featuring a different spooky story.
* Mostly Ghostly: Another series for younger readers, featuring the adventures of three ghostly friends.
* The Haunting Hour: This series was based on a television series and includes tales of the supernatural.
* Rotten School: A humorous series focusing on the misadventures of a group of students at a school for monsters.
* Just Joking! A series of humorous books filled with jokes, riddles, and other light-hearted fun.
For adults:
* Supernatural Thriller: A series of adult horror novels that are often darker and more intense than his children's books.
* The New York Times Bestselling Books: Stine has written several books for adults that have become New York Times bestsellers.
This is not an exhaustive list, as R.L. Stine has written a vast number of books over the years. He has also written books under pseudonyms like "Jovial Bob Stine" and "Peter Lerangis."