Enter HorrorLand (story)

Enter Horrorland was a continuing story that was throughout books 1-12 of Goosebumps Horrorland. The story featured the kids from the first 10 books all going to Horrorland, having scary encounters, and meeting and teaming up to defeat their old enemies and a new enemy named The Menace. Books 1-10 had the regular story, but had a few chapters at the end of the book that continues the Enter Horrorland story. Books 11 and 12 conclude the story with the kids escaping to Panic Park and trying to defeat The Menace and escape Panic Park to go home as well.