Meet Captain Underpants! His true identity is so secret, even he doesn't know who he is! George and Harold have created the greatest superhero in the history of their elementary school - and now they're going to bring him to life! Acclaimed author and Caldecott Honor illustrator Dav Pilkey provides young readers with the adventure of a lifetime in this outrageously funny, action-paced, easy-to-read chapter book. With hilarious pictures on every page, this book is great for both beginning and chapter-book readers. It is sure to provide even the most reluctant readers with hours of fun.