Publication Order of Bum Books
Complete Reading Order
4 Books-
1
The Day My Butt Went Psycho! / The Day My Bum Went Psycho!
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2
Zombie Butts From Uranus! / Zombie Butts from Uranus!
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3
Butt Wars: The Final Conflict / Bumageddon
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4
What Buttosaur is That? / What Bumosaur is That?