Readers can push a button to hear the potty flush as Captain Jack learns how to use the toilet.

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?

Celebrate the 25th and a half anniversary of THE ADVENTURES OF CAPTAIN UNDERPANTS with a special edition featuring a BRAND NEW 32-page DOG MAN comic! George and Harold are best friends who enjoy making their own comic books. 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! Tra-la-laaaaa! It's can't-miss fun! After the Captain Underpants adventure, join George and Harold as they share their never-before-seen bonus comics: Captain Underpants Meets Dog Man and Dog Man and the League of Misfits. The Adventures of Captain Underpants is the first book in the worldwide bestselling Captain Underpants series by Dav Pilkey. For even more adventures, creativity, and humor, be sure to check out Dav's Dog Man and Cat Kid Comic Club graphic novels. Reading gives you superpowers!

"Big kids use the toilet. Do animals use it too?"--Back cover.

George and Harold have to figure out how to fix history in the tenth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold have been turned into evil zombie nerds doomed to roam a devastated, postapocalyptic planet for all eternity! Unfortunately, the boys can't count on Captain Underpants for help because Tippy Tinkletrousers and his time-traveling hijinks prevented George and Harold from creating him in the first place! With Tippy having changed the course of human history forever, George and Harold will have to figure out a way to change it back!

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?

George and Harold have created the greatest superhero in the history of their school — and now they're about to bring him to life! MEET CAPTAIN UNDERPANTS! HIS TRUE IDENTITY IS SO SECRET, EVEN HE DOESN'T KNOW WHO HE IS! FIGHTING FOR TRUTH, JUSTICE AND ALL THINGS PRE-SHRUNK AND COTTONY!