In books 1 through 12 of Goosebumps: Horrorland, kids get invited to Horrorland. Horrorland is a park where the horror is real. Horrorland is run by monsters called Horrors. Throughout the series, the kids run away from the Horrors and have scary adventures. The only Horror that they think that they can trust is Byron. Byron tells them to escape Horrorland and go to Panic Park where they will be safe. When they make it to Panic Park, they realize that Byron was working for The Menace.