Mikey's Monster (Teenage Mutant Ninja Turtles) (Step into Reading) by Hollis James, Patrick Spaziante (Paperback)

Nickelodeon's Teenage Mutant Ninja Turtles have discovered a strange creature living in the sewers—is it a friend, a foe, or an uncontrollable monster? Boys ages 7–9 will love this action-packed Step into Reading level 4 reader.