Time Travel Tribulations! George and Harold have been turned into evil zombie nerds doomed to roan a devastated, postapocalyptic planet for all eternity! Unfortunately, the boys can't count on Captain
6 color paperback titles are included in this boxset--#1: The Adventures of Captain Underpants #2: Captain Underpants and the Attack of the Talking Toilets #3: Captain Underpants and the Invasio
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
