Captain Underpants Children Collection 12 Books Set 68.88 Brand New Titles in This Set Captain Underpants and The Revolting Revenge of The Radia Active Robo-Boxers Captain Underpants and the terrifying return of tippy tinkletrousers The Adventures of Captain Underpants Captain underpants and the attack of the talking toilets Captain underpants and the invasion of the incredibly naughty cafeteria ladies from outer space Captain underpants and the perilous plot of professor poopypants Captain underpants and the wrath of the wicked wedgie woman Captain underpants and the big, bad battle of the bionic booger boy Part 1 Captain underpants and the big, bad battle of the bionic booger boy Part 2 Captain underpants and the preposterous plight of the purple potty people The captain underpants extra-crunchy book o'fun The all new captain underpants extra-crunchy book o'fun 2