Captain Underpants and the Big Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo Boogers ( Captain Underpants #07 )
(482 copies available)
Just when George and Harold thought they were safe - here come the robo-boogers! Disgusting and dangerous crosses between hi-tech wizardry and, well . snot, they're out to take over the world. Have your hankies ready!