Boris and his friends Frederick and Alice are camping in the backyard, but it is very dark--except for a mysterious light moving through the bushes.

Going to her first sleepover, Heidi tries to hide her fear of the dark, with a little help from her Book of Spells.

Henry and his dog Mudge are invited to a sleepover in Patrick's attic, where they watch monster movies, eat pizza, and enjoy a contest to determine whose dog is the best popcorn catcher.

Norm worries that he will not be able to go to sleep when his class wins a sleepover in the Monster School library.

When Stink's parents win an aquarium sleepover, he and his two friends enjoy a scavenger hunt before trying to fall asleep while worrying about the frankensquid on the loose.

Whitney had some misgivings when she dropped her increasingly moody teenage daughter, Amelia, off at Lauren's house. She'd never met the parents, and usually she'd go in, but Amelia clearly wasn't going to let something so humiliating happen, so instead Whitney waved to her daughter before pulling away from the little house with the yellow roses in front. But when she goes back the next day, an elderly couple answers the door, Amelia and Lauren aren't...

Jillian thinks there's a ghost in her basement. King and Kayla know that ghosts aren't real, but what is making that dark shape and that scary noise? King and Kayla are going to a sleepover at Thor and Jillian's house. King LOVES sleepovers. They're his favorite thing! And he particularly likes Jillian's basement, because animals are allowed on the furniture. But Jillian and Thor are afraid to go downstairs because there's big, dark blob that goes...