Captain Underpants Full Colour Series (Book 9-12) 4 Books Set - Ages 7-11 - PB

But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate?. Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Book 10). Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 (Book 11).

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