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Written and illustrated by Dav Pilkey, the Captain Underpants series is a hilarious set of books that revolve around best friends George Beard and Harold Hutchins, the unofficial class clowns of the fourth grade.

Captain Underpants and the Sensational Saga of Sir Stinks-a-Lot
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Captain Underpants and the Sensational Saga of Sir Stinks-a-Lot
by Dav Pilkey
The Adventures of Super Diaper Baby (Captain Underpants Series)
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The Adventures of Super Diaper Baby (Captain Underpants Series)
by Dav Pilkey
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
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Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
by Dav Pilkey
The Adventures of Captain Underpants
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The Adventures of Captain Underpants
by Dav Pilkey
The New Captain Underpants Collection
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The New Captain Underpants Collection
by Dav Pilkey
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
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Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
by Dav Pilkey
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
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Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
by Dav Pilkey
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Color Edition)
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Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Color Edition)
by Dav Pilkey
The All New Captain Underpants Extra-Crunchy Book O' Fun 2
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The All New Captain Underpants Extra-Crunchy Book O' Fun 2
by Dav Pilkey
Captain Underpants and the Attack of the Talking Toilets (Color Edition)
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Captain Underpants and the Attack of the Talking Toilets (Color Edition)
by Dav Pilkey
Captain Underpants and the Preposterous Plight of the Purple Potty People
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Captain Underpants and the Preposterous Plight of the Purple Potty People
by Dav Pilkey
Captain Underpants and the Wrath of the Wicked Wedgie Woman (Color Edition)
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Captain Underpants and the Wrath of the Wicked Wedgie Woman (Color Edition)
by Dav Pilkey
Super Diaper Baby #2: The Invasion of the Potty Snatchers (Captain Underpants Series)
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Super Diaper Baby #2: The Invasion of the Potty Snatchers (Captain Underpants Series)
by Dav Pilkey
Captain Underpants and the Perilous Plot of Professor Poopypants (Color Edition)
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Captain Underpants and the Perilous Plot of Professor Poopypants (Color Edition)
by Dav Pilkey
The Captain Underpants Extra-Crunchy Book O' Fun
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The Captain Underpants Extra-Crunchy Book O' Fun
by Dav Pilkey

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The Adventures of Captain Underpants
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The Adventures of Captain Underpants
by Dav Pilkey
Captain Underpants and the Attack of the Talking Toilets (Turtleback School & Library Binding Edition)
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Captain Underpants and the Attack of the Talking Toilets (Turtleback School & Library Binding Edition)
by Dav Pilkey
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
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Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
by Dav Pilkey
Captain Underpants and the Perilous Plot of Professor Poopypants (Color Edition)
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Captain Underpants and the Perilous Plot of Professor Poopypants (Color Edition)
by Dav Pilkey
Captain Underpants and the Wrath of the Wicked Wedgie Woman (Color Edition)
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Captain Underpants and the Wrath of the Wicked Wedgie Woman (Color Edition)
by Dav Pilkey
Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets (Color Edition)
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Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets (Color Edition)
by Dav Pilkey
Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers (Color Edition)
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Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers (Color Edition)
by Dav Pilkey
Captain Underpants and the Preposterous Plight of the Purple Potty People (Color Edition)
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Captain Underpants and the Preposterous Plight of the Purple Potty People (Color Edition)
by Dav Pilkey
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Captain Underpants #9) (Unabridged edition) Pre-Order Now
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Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Captain Underpants #9) (Unabridged edition)
by Dav Pilkey
Captain Underpants and the Revolting Revenge of the Radioactive RoboBoxers (Captain Underpants #10) (Unabridged edition) Pre-Order Now
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Captain Underpants and the Revolting Revenge of the Radioactive RoboBoxers (Captain Underpants #10) (Unabridged edition)
by Dav Pilkey
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
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Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
by Dav Pilkey
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000: Color Edition (Captain Underpants #11) (Color Edition) Pre-Order Now
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Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000: Color Edition (Captain Underpants #11) (Color Edition)
by Dav Pilkey
Captain Underpants and the Sensational Saga of Sir Stinks-a-Lot
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Captain Underpants and the Sensational Saga of Sir Stinks-a-Lot
by Dav Pilkey
Wedgie Power Guidebook (The Epic Tales of Captain Underpants TV Series)
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Wedgie Power Guidebook (The Epic Tales of Captain Underpants TV Series)
by Kate Howard
The Adventures of Super Diaper Baby (Captain Underpants Series)
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The Adventures of Super Diaper Baby (Captain Underpants Series)
by Dav Pilkey