Find out how it all began! It's the FIRST Captain Underpants Collection, featuring the first four novels in the bestselling, popular, hilarious series. Also inc

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! HI

It's got TWELVE times the action! TWELVE times the adventure! TWELVE times the Flip-O-Rama! Now you can have all TWELVE Captain Underpants books in one boxed se

This boxed set showcases the first four books of this best-selling chapter book series about the Waistband Warrior, and includes a special Captain Underpants Wh

George and Harold, and their doubles, Yesterday George and Yesterday Harold, have discovered something rotten in the state of Ohio, and it's smellier than a pil