George and Harold's latest prank backfires in the second book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold are usually responsible kids -- whenever anything bad happens, George and Harold are usually responsible! This time, they accidentally invent an army of terrifying talking toilets. Luckily, they know a superhero with enough snap in his waistband to save the day! This looks like another job for the amazing Captain Underpants! Author - Dav Pilkey Illustrator - Dav Pilkey Number of Pages - 160 Format - Hardcover Publisher - Scholastic Inc. Published - 2014-01-07