Eddie decides to get back at Courtney by scaring her at Muddy Creek where she believes monsters live.

Joe Burton's dad loves tacky lawn ornaments. But when he brings home two ugly lawn gnomes, strange things begin to happen at night.

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.

Carly Beth's Halloween mask is so ugly that it scares everyone.

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.

HorrorLand is full of scary rides and adventures.

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.

Lost in an Egyptian pyramid, twelve-year-old Gabe and his cousin Sari find they are not alone.

"Jillian and Jackson freak out when they suddenly can read people's thoughts. But the trick turns to terror when the twins are stalked by a strange scientist who wants to know exactly what's on their minds. Will the twins ever lead normal lives again?"--Back cover

Mark's Aunt Benna presents him with a gift of a shrunken head from the jungle island of Baladora. It gives Mark a strange, dangerous power.