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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Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy
Dav Pilkey
$12.99