Laugh out loud with Captain Underpants, from Dav Pilkey, the creator of Dog Man! The Radioactive Robo-Boxers are back in the tenth full colour book in this #1 New York Times bestselling series. When we last saw our heroes, George and Harold, they had been turned into evil zombie nerds doomed to roam a devastated, postapocalyptic planet for all eternity. But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate? Because Tippy Tinkletrousers and his tim ...