Krypto is definitely Superman's best friend. But when the evil Mxy unleashes his magical mischief, the canine crime fighter becomes the Man of Steel's worst enemy. Will Superman be able to save his Super-Pet? Find out in this action-packed chapter book for early readers.

Krypto is definitely Superman's best friend. But when the evil Mxy unleashes his magical mischief, the canine crime fighter becomes the Man of Steel's worst enemy. Will Superman be able to save his Super-Pet? Find out in this action-packed chapter book for early readers.