Disney/Pixar Monsters Inc. Monsters are lurking after dark, waiting to scare sleeping children everywhere. The job of monsters Sulley and Mike, the top "scare team" from Monsters, Inc., is to collect the screams of children to power their monster world. Your child follows their fur-raising escapades as they discover that a child"s laughter is far more powerful than a scream.Kids just place the book on the LeapPad player, pop in the cartridge, and touch any page with the Magic Pen to bring learning to life. This book also works with the LeapPad Plus Writing learning system and the Quantum Pad learning system.