Muddy Max: The Mystery of Marsh Creekby Elizabeth Rusch
(From Andrews McMeel.) Max Dredge is just a typical kid — until he finds out that touching mud gives him superhuman strength, invisibility, and enhanced intellect! When Max's neat freak parents prohibit him from dragging any more mud into their home, he must secretly use his powers to uncover the mysteries in the swamp behind his house, known as Marsh Creek.
7 - 12 years