Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.

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!

Not so long ago, George and Harold created the greatest superhero in the history of their school - and brought him to life by mistake! He is Captain Underpants, and his true identity is so secret, even HE doesn't know who he is! But that was only the start... Now the boys have accidentally created a whole army of evil, vicious talking toilets intent on taking over the world!!! Someone needs to flush them out - and it's DEFINITELY a job for the world's ONLY superhero with WEDGIE POWER!

Join George Beard and Harold Hutchins for a wedgie-powered wonder! The All New Captain Underpants Extra-Crunchy Book O' Fun 2! Word-searches, mazes, quizzes, crosswords and truly disgusting jokes combine to make this a must for any fan of Captain Underpants and Super Diaper Baby! Have you read your Underpants today?

Harold and George's crazy creation is back — in an adventure that's WEDGIER than ever! He defeated Dr Nappy. He terminated the talking toilets. But is Captain Underpants ready for three massive, tentacled space aliens (in disguise)? Has he met his match in the Giant Man-Eating Dandelion of Doom...?

Fourth graders George Beard and Harold Hutchins invent the wedgie-powered superhero Captain Underpants in the first book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they've created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn't know who he is!