Discover the bone-chilling adventures that made Goosebumps one of the bestselling children's book series of all time. Now with all-new bonus materials!Swimming, basketball, archery. King Jellyjam's sports camp has it all. Too bad Wendy isn't a total sports freak like her brother, Elliot. But how excited can you get over a game of softball. It's just a game, right? WRONG.Camp Jellyjam is no ordinary sports camp. And Wendy's about to find out why. Why the counselors seem a little TOO happy. And why they are so obsessed with winning. It might have something to do with the hideous, slimy discovery lurking in the darkness....Now with all-new bonus features including an author interview, bizarre sports trivia, and more!