The Captain Underpants Collection

Eight Captain Underpants Novels: Captain Underpants and the Prposterous Plight of the Purple Potty People, Captain Underpants and the Wrath of the Wicked Wedgie Woman, Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy Parts 1&2, Captain Underpants and the Attack on the Talking Toilets,The Adventures of Captain Underpants, Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space..., and Captain Underpants and the Periolous Plot of Professor Poopy Pants.