Captain Underpants and the tyrannical retaliation of the Turbo Toilet 2000 —Pilkey, Dav, 1966- author, illustrator.

The monstrous Turbo Toilet 2000 is determined to take revenge on George, Harold, and Captain Underpants.

Captain Underpants and the terrifying return of Tippy Tinkletrousers —Pilkey, Dav, 1966- author.

After being sent to jail for the rest of their lives, George and Harold are taken on a trip back in time by Tippy Tinkletrousers back to their Kindergarten days where they must deal with their bully without the help of C...

Captain Underpants and the revolting revenge of the radioactive robo-boxers : the tenth epic novel —Pilkey, Dav, 1966- author, illustrator.

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 Tinkletrous...

The all new Captain Underpants extra-crunchy book o' fun 2 —Pilkey, Dav, 1966- author, illustrator.

George and Harold present comics, puzzles, jokes, laffs, and flip-o-ramas.

The epic tales of Captain Underpants. George and Harold's epic comix collection Volume 2 —Rusu, Meredith, author.

The epic tales of Captain Underpants. George and Harold's epic comix collection —Rusu, Meredith, author.

The adventures of Captain Underpants : an epic novel —Pilkey, Dav, 1966- author, illustrator.

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

Captain Underpants and the attack of the talking toilets : the second epic novel —Pilkey, Dav, 1966- author, illustrator.

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.

Captain Underpants and the wrath of the wicked Wedgie Woman —Pilkey, Dav, 1966- author.

George and Harold are always driving their teacher crazy! But this time, they've come up with much more than a prank--they've created a monster.

Captain Underpants and the big, bad battle of the Bionic Booger Boy. Part 1. The night of the nasty nostril nuggets —Pilkey, Dav, 1966- author.

When George and Harold's latest prank makes a direct hit on the school brainiac Melvin Sneedly, he decides to get even.

Captain Underpants and the big, bad battle of the Bionic Booger Boy. Part 2, The revenge of the ridiculous Robo-Boogers : the seventh epic novel —Pilkey, Dav, 1966- author.

George, Harold, Captain Underpants, and Sulu the Bionic Hamster battle the three Ridiculous Robo-Boogers in an attempt to turn the Bionic Booger Boy back into Melvin Sneedly. By flipping the pages, the reader may view an...

Captain Underpants and the big, bad battle of the Bionic Booger Boy. Part 1, The night of the nasty nostril nuggets : the sixth epic novel —Pilkey, Dav, 1966- author, illustrator.

A snotty situation ensues when Melvin Sneedley, an academically-gifted student, turns into the Bionic Booger Boy and must be stopped by George, Harold, and Captain Underpants. By flipping the pages, the reader may view a...

Captain Underpants and the revolting revenge of the radioactive robo-boxers : the tenth epic novel —Pilkey, Dav, 1966- author.

George and Harold are forced to contemplate a world without Captain Underpants.

Captain Underpants and the preposterous plight of the Purple Potty People : the eighth epic novel —Pilkey, Dav, 1966- author, illustrator.

Harold and George's time-traveling Purple Potty lands them in an alternate universe where everything seems delightful, but evil lurks just beneath the surface, and leads to a battle between Captain Underpants and his own...

Captain Underpants and the attack of the talking toilets the second epic novel —Pilkey, Dav, 1966- author.

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.

Captain Underpants and the wrath of the wicked Wedgie Woman : the fifth epic novel —Pilkey, Dav, 1966- author, illustrator.

Captain Underpants and the sensational saga of Sir Stinks-a-lot : the twelfth epic novel —Pilkey, Dav, 1966- author, illustrator.

George and Harold, and their doubles, Yesterday George and Yesterday Harold, have a good thing going. Two of them go to school, while the other two hide in the tree house and play video games all day -- then they switch!...

Captain Underpants and the invasion of the incredibly naughty cafeteria ladies from outer space (and the subsequent assault of the equally evil lunchroom zombie nerds) : the third epic novel —Pilkey, Dav, 1966- author, illustrator.

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

Captain Underpants And The Terrifying Return Of Tippy Tinkletrousers Captain Underpants Series, Book 9. —Pilkey, Dav.

George and Harold are behind bars for a crime they didn't commit! But just as they are settling into their new life, they are pulled from prison by a time-traveling tyrant named Tippy Tinkletrousers! Now the boys are tak...

Captain Underpants And The Attack Of The Talking Toilets Captain Underpants Series, Book 2. —Pilkey, Dav.

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...