Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers: Color Edition (Captain Underpants #10) (Hardcover)

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By Dav Pilkey, Author & Illustrator. George and Harold have been turned into evil zombie nerds doomed to roam a devastated, postapocalyptic planet for

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Captain Underpants Collection - 10 Books

Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Book 10)

The Captain Underpants Double-Crunchy Book o' Fun: Color Edition

Adventures of Captain Underpants, The: Color Edition (Captain Underpants #1) by Dav Pilkey (Audiobook) - Read free for 30 days

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Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Captain Underpants #10) (Hardcover)

Captain Underpants and the Terrifying Return of Tippy