George and Harold's nemesis Melvin Sneedly goes from snooty to snotty in the sixth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold are up to their old tricks again, and when their latest prank makes a direct hit on school brainiac Melvin, he decides to get even! But in the blink of an eye -- and the sneeze of a nose -- the Bionic Booger Boy is born! Can Captain Underpants clean up this catastrophe, or will the mucous monster make a mess of things?

Just when they thought they were out, it pulls them back in! Our heroes beat the Bionic Booger Boy, but they forgot about those rascally Robo-Boogers. Join George, Harold, Mr. Krupp, Melvin Sneedly, and Sulu the Bionic Hamster on an adventure that will take them into the deepest regions of outer space and back through time to the mysterious and uncharted world of the day before yesterday! It's a monster-mashin', robo-wranglin', time-travelin', brain-switchin', nose-pickin' good time!

Just when George and Harold thought they'd saved the world again - Here come the Robo-Boogers! Disgusting and dangerous robots made of SNOT, they will cover the whole earth in a river of green and gluey bogey. It's lucky that Captain Underpants is standing by, with the power of underwear on his side and his hankie to hand!

George and Harold are back in another icky adventure! When class boffin Melvin Sneedly goes too far with his latest amazing invention, the Bionic Booger Boy comes to sticky, snotty, bad-tempered life...

George and Harold create a comic book superhero, Captain Underpants, and hypnotize their school principal into assuming his identity. This series tonge-in-cheek writing style and cartoonish drawings make it consistently laugh-out-loud funny.

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!

Bionic boogers return in the seventh book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold thought they were beyond boogers. Their new pet, Sulu the Bionic Hamster, had defeated the Bionic Booger Boy, and through the wonders of science, Melvin Sneedly had been brought back to normal (well, almost normal). It looked like their last adventure was actually going to have a happy ending... except for one thing (well, three things) -- the Ridiculous Robo-Boogers. Now George, Harold, and their buddies are on the run -- with the Robo-Boogers in hot, gooey pursuit! Will the boys get away from these gross globs, or will Sulu have to save the day again?