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...

Billy learns a very dangerous lesson when he ignores his uncle Dr. Deep's warning to stay away from the coral reefs while diving and encounters a horrifying half-human, half-fish creature lurking deep below the surface.

It's the end of the ride--for now! Fright-master R.L. Stine saves the most shocking surprises for last as all of HorrorLand's secrets are revealed! Luke and Lizzie thin they'll be safe in Panic Park. But they're wrong. Because Panic Park is home to The Menace, a two-faced villain with a twisted plan to trap them forever.They learn they've been sharing secrets with a traitor, who's been tricking them all along! To beat The Menace and his rotten crew,...

Julie discovers her camera is evil and is invited to Horrorland where she realizes the theme park is not all fun and games.

"What do Zoey and Billy Traister do when they find an abandoned ventriloquist dummy in an empty lot? They take him home, of course! As the pair tries to figure out why someone would throw out a perfectly good dummy, they accidentally bring Slappy to life. A night of horror ensues until the siblings put Slappy back into his case. But when they find Slappy's diary and clues that could lead to gold, they'll have to find Slappy's second diary while evading...

When Marco finds a rare edition of the Ooze comic book at HorrorLand, he finds that many monstrous collectors would do anything to get their hands on the comic.

For Josh and Amanda, having to move to the remote, desolate town of Dark Falls was bad enough. But as soon as they moved into Dead House, things began to happoen, things their parents couldn't see-- a ghostly shape at the window, a shadow on the wall, the way their dog kept growling at strangers, the quiet, death-pale neighbor kids, Was it the chemical spill that made the people of Dark falls so strange, or something far more sinister?

What's a worm lover to do when his own worms are starting to gross him out?

It's bad enough Ian Barker has to spend his twelfth birthday with his sister and their two annoying cousins. The four of them can't ever hang out without getting into trouble. Vinnie and Jonny always want to play with Ian's stuff. They take extra turns and break everything they touch. Even Ian's new birthday presents are up for grabs. But when Ian gets a Slappy dummy from his dad, things go from bad to worse.

The reader decides the course of an adventure in which visiting cousins from England bring a family heirloom carrying the curse of the knight in screaming armor.