Secret Source. Lizzie and Luke have uncovered secret information about the freaky amusement park. Lizzie wants to help others, but since the twins don't trust her, they're all in a deadlock. Did someone say Dead?

Robert Lawrence Stine (born October 8, 1943), known as R. L. Stine and Jovial Bob Stine, is an American writer. Stine, who is often called the "Stephen King of children's literature", is the author of dozens of horror fiction novels, including the books in the Goosebumps, Rotten School, Mostly Ghostly, The Nightmare Room and Fear Street series. Some of his lesser-known works include a Space Cadets trilogy, two Hark gamebooks, a two-part novel The Beast and dozens of joke books.