George and Harold's latest prank backfires in the second book in this #1  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!   ABOUT THE SERIES Captain Underpants is now a feature-length animated film from DreamWorks & a series on NETFLIX The original Captain Underpants books are fully illustrated with black and white comic book drawings The books are also available in full-colour graphic novels Perfect for all children, but especially for those who are struggling to engage with reading Full of fun and laughs (and toilet humour)