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-lalaaaaa! It's can't-miss fun! After the Captain Underpants adventure, join George and Harold as they share their never-before-seen 32-page 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, the author and illustrator of the Dog Man and Cat Kid Comic Club graphic novel series.