James P. Sullivan is the top Scarer at Monsters Inc., a factory that collects children's screams to power the city of Monstropolis. One night Sulley accidentally lets a young girl called Boo into the monster world. As Sulley and his assistant Mike race to return Boo, they uncover an evil plot to keep Monsters Inc. in business.

Children of all ages will love reading or listening to this delightful Disney Pixar adventure.