George and Harold are up to their old tricks again and when their latest prank makes a direct hit on school Brainiac Melvin sneedly, he decides to get even. But in the blink of an eye and the sneeze of a nose Melvin goes from snooty to snotty and the bionic booger boy is born. Can Captain Underpants clean up this catastrophe or will the mucous monster make a mess of things.
Captain Underpants #06: Big Bad Battle Of The Bionic Booger Boy
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Dav Pilkey is the author of the Captain Underpants series, which has been published in more than 25 languages worldwide and sold more than two million copies in the UK alone.