Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets: Color Edition

George and Harold's nemesis Melvin Sneedly goes from snooty to snotty in the sixth book in this #1 New York Times bestselling series by Dav Pilkey, the creator of Dog Man!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?

• Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers: Color Edition (Captain Underpants #7): Color Edition
• Captain Underpants and the Wrath of the Wicked Wedgie Woman: Color Edition (Captain Underpants #5): Color Edition
• Captain Underpants and the Perilous Plot of Professor Poopypants: Color Edition (Captain Underpants #4)
• Captain Underpants and the Preposterous Plight of the Purple Potty People: Color Edition
• Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies From Outer Space: Color Edition (Captain Underpants #3): (And the ... the Equally Evil Lunchroom Zombie Nerds)
• Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Captain Underpants #10)
• Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot (Captain Underpants #12)
• Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 (Captain Underpants #11)
• Captain Underpants and the Attack of the Talking Toilets: Color Edition (Captain Underpants #2) (2)
• The Captain Underpants Colossal Color Collection (Captain Underpants #1-5 Boxed Set)