Captain Underpants Comic Book Back Issues

NOTE: Comics are listed in suggested reading order:

Scholastic

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Captain Underpants Vol. 1: The Adventures of Captain Underpants
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Captain Underpants Vol. 2: Captain Underpants and the Attack of the Talking Toilets
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Captain Underpants Vol. 3: Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies
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Captain Underpants Vol. 4: Captain Underpants and the Perilous Plot of Professor Poopypants