Captain Underpants and the Perilous Plot of Professor Poopypants (#4) Journals this definitive guide unravels the

this definitive guide unravels the mysteries of our incredible universe

Amelia is more likely to be found on the other side of a police line-up

debates become arguments

crackling style

Bleeding Edge is totally gonzo

Captain Underpants and the Perilous Plot of Professor Poopypants (#4) Journals this definitive guide unravels theBy Dav Pilkey Hardcover George and Harold are fourth grade buddies with a penchant for practical jokes. When the boys' latest prank drives their science teacher over the edge, their clueless principal, Mr. Krupp, quickly hires a replacement: Professor Pippy P. Poopypants. Of course, George and Harold can't resist making fun of the Professor's silly name. But then the Professor retaliates by forcing everyone in town to change their own names to be