In trouble with their principal because of their comic books, George and Harold decide to create a new epic novel.

THE BABY IS BACK! Dav Pilkey's pint-sized powerhouse returns for another amazing adventure! Now in paperback with a shiny foil cover! George and Harold (the co-stars of the enormously popular Captain Underpants series) are in big trouble again! Their mean principal, Mr. Krupp, has had it with their comic books. But the boys aren't giving up, and they decide to create an all-new epic novel about a subject they've never tackled before! Dr. Dilbert Dinkle started his career as an ordinary, everyday evil genius/inventor/bank robber. But when he awakens one day transformed into a walking, talking puddle of pee, he vows to destroy every toilet in town. Will the devious Dr. Dinkle and his conniving cat, Petey, ruin restrooms for the rest of us? Or could this be a job for the death-defying duo of Super Diaper Baby and Diaper Dog?

This ebook edition includes bonus material about the making of the books, sketches by Dav Pilkey, deleted scenes and more! George and Harold (the co-stars of the enormously popular Captain Underpants series) are in big trouble again! Their mean principal, Mr Krupp, has had it with their comic books. But the boys aren't giving up, and they decide to create an all-new epic novel about a subject they've never tackled before! Dr Dilbert Dinkle started his career as an ordinary, everyday evil genius/inventor/bank robber. But when he awakens one day transformed into a walking, talking puddle of pee, he vows to destroy every toilet in town. Will the devious Dr Dinkle and his conniving cat, Petey, ruin restrooms for the rest of us? Or could this be a job for the death-defying, dynamic duo of Super Diaper Baby and Diaper Dog?

Move over, Dav Pilkey, it's George and Harold's turn to tell the tale of the all-new superhero who's faster than a speeding stroller and more powerful than diaper rash. Make way for Super Diaper Baby!

George and Harold's time-traveling Purple Potty lands them in a crazy place in the eighth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man!

Alien lunch ladies attack in the third book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man!

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!

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!

Stickers, jokes, flip-o-ramas, and puzzles are featured in this second compendium starring Captain Underpants and his friends.

The Turbo Toilet 2000 returns in the eleventh book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! Just when you thought it was safe to flush, the Turbo Toilet 2000 strikes back! The carnivorous commode known for devouring everything in its path has built up a real appetite... for REVENGE! Luckily, the fate of humanity is once again in the hands of George and Harold and their annoying nemesis Melvin Sneedly. Will Wedgie Power prevail? Or will the amazing Captain Underpants be flushed away forever?

A pioneering new graphic novel series by Dav Pilkey, the author and illustrator of the internationally bestselling Dog Man and Captain Underpants series.

The mayor has had enough of Dog Man's shenanigans in the ninth book from worldwide bestselling author and artist Dav Pilkey.

Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom zombie nerds.

Li'l Petey gets caught in some family drama in the eighth Dog Man book from worldwide bestselling author and artist Dav Pilkey.

The heroic hound is send to jail in the sixth Dog Man book from worldwide bestselling author and artist Dav Pilkey.

It's got TWELVE times the action! TWELVE times the adventure! TWELVE times the Flip-O-Rama! Now you can have all TWELVE Captain Underpants books in one boxed set! Tra-La-Laaaaa! Prepare for laffs, action and flip your lid for Flip-o-Rama in this preposterous Undies extravaganza!

From Dav Pilkey, creator of the #1 New York Times bestselling Dog Man and Captain Underpants series, comes Dragon, the heartwarming hero adored by Dav's youngest readers!

Dog Man and Petey face their biggest challenges yet in the tenth Dog Man book from worldwide bestselling author and illustrator Dav Pilkey. Dog Man is down on his luck, Petey confronts his not so purr-fect past, and Grampa is up to no good. The world is spinning out of control as new villains spill into town. Everything seems dark and full of despair. But hope is not lost. Can the incredible power of love save the day? Dav Pilkey's wildly popular Dog Man series appeals to readers of all ages and explores universally positive themes, including love, empathy, kindness, persistence, and the importance of doing good.

The brand new bestselling Dog Man book from Dav Pilkey - you'll howl with laughter!