Billy and Sheena go with their Uncle, Dr. Deep, to search for treasure and are pursued by pirates who have been dead for two hundred years, and when Billy and Sheena return to land and visit Horrorland they encounter their worse fears.

Matt Daniels battles a mysterious substance called Monster Blood that makes things grow, and then visits HorrorLand amusement park, where some of his friends disappear.

At HorrorLand, every night is Halloween, and those monster masks, well, they aren't masks at all. Carly Beth is in for a fright of a night.

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

When Michael sneaks into his superstitious teacher's house to play a prank on her, he discovers that she is an evil alien hatching up a brood of monsters to take over the Earth.

Boone and his younger sister Heather are excited about spending the summer at Camp Hither, and at first they dismiss the horror stories about snakes that one camper is spreading, but then strange things start happening.

Sam Waters is desperate to have a pet. But his parents say that first, Sam must prove he's responsible. So he takes an after-school job in a pet store called Little Shop of Hamsters. To his horror, Sam soon finds that cute, little hamsters can become very uncute monsters. Suddenly, Sam isn't fighting for a pet--he's fighting to survive!

"Chris and his twin, Meg, have a problem. It started the night before Halloween when the twins found a gang of bullies hassling someone in costume. The twins rescued the kid-only to find that it was a bald, pink alien who promptly swore allegiance to them. "Weirdo" is smelly and gross with a lot of disgusting habits, and the twins can't shake him. Little do they realize that their troubles are only beginning"--Publisher.

Andy, Sam, Jessica, Meg, Marco, and Ray are trapped by Jonathan Chiller, who expects payment for the rare HorrorLand souvenirs they have taken by playing his deadly game.

The monstrously successful GOOSEBUMPS series continues with SEVEN more HORRORLAND books! It's time to take a little Horror home with you! Jessica and her best friend, Ryan, really enjoy magic tricks. They find the perfect HorrorLand souvenir in Jonathan Chiller's gift shop--a two-headed coin with mysteriously dark powers.After an unlucky flip of the coin, Jessica and Ryan find themselves in a strange land being chased down by angry guards. HorrorLand...