The 78-Storey Treehouse
The Treehouse Fun Book (The Treehouse Books)
The 52-Story Treehouse (The Treehouse Books)
The 39-Story Treehouse (The Treehouse Books)
The 26-Story Treehouse (The Treehouse Books)
The 13-Story Treehouse (The Treehouse Books)
The Day My Butt Went Psycho (Andy Griffiths' Butt)
The Big Fat Cow That Goes Kapow: 10 Easy-to-Read Stories
What Body Part Is That?: A Wacky Guide to the Funniest, Weirdest, and Most Disgustingest Parts of Your Body
Zombie Butts From Uranus (Andy Griffiths' Butt)