Tra-la-laaa! Dav Pilkey -- ahem -- we mean, George and Harold, the authors of SUPER DIAPER BABY, are back with their second epic novel! Meet Ook and Gluk, the stars of this sensationally silly graphic novel from the creators of Captain Underpants! It's 500,001 BC, and Ook and Gluk's hometown of Caveland, Ohio, is under attack by an evil corporation from the future. When Ook, Gluk, and their little dinosaur pal Lily are pulled through a time portal to 2222, they discover a future world that's even more devastated than their own. Luckily, they find a friend in Master Wong, a martial arts instructor who trains them in the ways of kung fu. Now all they have to do is travel back in time 502,223 years and save the day!

George Beard and Harold Hutchins, the co-stars of Dav Pilkey's Captain Underpants series, are back with their second graphic novel, the sensational saga of two silly caveboys named Ook and Gluk. Life is pretty sweet in Ook and Gluk's hometown of Caveland, Ohio, in 50,001 BC-even though they're always getting in trouble with their leader, Big Chief Goppernopper. But things take a turn for th terrible when an evil corporation from the future invades their quiet, prehistoric community. When Ook, Gluk, and their little dinosaur pal Lily are pulled through a time portal to the year 2222, they discover a future that's even more devastated than the world they've left behind. Luckily, they find a friend in Master Wong, a martial arts instructor who trains them in the ways of kung fu. Now all they have to do is travel back in time 502,223 years and save the day. What could be more fun?!!

Friends Ook and Gluk are always getting into trouble with their village chief until they pass through a portal into a future run by the chief's descendant, where they learn kung fu so they can return to the past and free their people.

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...?

This ebook edition includes bonus material about the making of the books, sketches by Dav Pilkey, deleted scenes, and more! George Beard and Harold Hutchins are two amazing kids. Not only did they create Captain Underpants, but they've saved the world five times! Now George and Harold bring you an all new superhero who's faster than a speeding stroller, more powerful than diaper rash, and able to leap tall buildings without making poopy stinkers. Meet Super Diaper Baby - the most powerful peewee to ever pack a punch. George and Harold's brand new superhero is sure to make kids laugh until drink comes out of their noses!

In trouble with their principal because of their comic books about poop, George and Harold decide to create a new graphic novel about an entirely different subject: pee.