Jordan Keppler is looking forward to a nice, quiet day at Carnival World. He may not love the scary rides like his sister, Karla, does, but he'll still go on them with her. But Jordan and Karla are about to experience something much more terrifying. There's a boy in a cage hidden away in a secret part of the park. And he's begging for some food. The sign next to him says "Please do not feed the weirdo". What harm could it do, though? Jordan and Karla...

"Judy Glassman lives with her brother, Ira, and father, Noah, in a village at the foot of Evil Rock. Every winter, Ira accompanies their dad up to the mansion at the top of the mountain to assist the rich, eccentric Grendel family with their house repairs. But this year, Judy convinces her dad to let her come too. Judy has heard whispers about the Beast of Evil Rock -- a half-human creature who stalks the crags. And she's determined to find out for...