
Written and illustrated by Dav Pilkey
Book #6 in the Captain Underpants series
Two fourth-grade pranksters accidentally create a bionic hamster that wreaks havoc on their school, leading to a series of misadventures and a showdown with their nemesis, Melvin Sneedly
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George and Harold's prank on school genius Melvin backfires, transforming him into the Bionic Booger Boy. Chaos ensues as Captain Underpants faces his slimiest challenge yet. Can they stop the snotty menace before it wreaks havoc?
George and Harold are up to their old tricks again, and when their latest prank makes a direct hit on school brainiac Melvin, he decides to get even! But in the blink of an eye – and the sneeze of a nose – the Bionic Booger Boy is born! Can Captain Underpants clean up this catastrophe, or will the mucous monster make a mess of things?
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