context: Robert Lawrence Stine (), [1] also known as R. L. Stine and Jovial Bob Stine, are American writers and producers. Stine, nicknamed "Stephen King of children's literature", [2] is the author of hundreds of horror fiction novels, including the Fear Street series, Goosebumps, Rotten School, Mostly Ghostly, and The Nightmare Room. Some of his other works are the Space Cadets trilogy, two Hark play books, and dozens of humor books. R. L. Stine's books have sold more than 400 million copies until 2008.
question: Who is R.L. Stine?
answers.text: American writers and producers