Captain Underpants and the Big, Bad Battle- hardcover, 9781338271508, Dav Pilkey
Author: Pilkey, Dav; Pilkey, Dav [Illustrator]. Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers: Color Edition (Captain Underpants #7): Color Edition.