The Big Fat Cow That Goes Kapow: 10 Easy-to-Read Stories

The Cat on the Mat Is Flat

The Day My Butt Went Psycho (Andy Griffiths' Butt)

The Cat, the Rat, and the Baseball Bat (My Readers)

Killer Koalas from Outer Space and Lots of Other Very Bad Stuff that Will Make Your Brain Explode!

Ed and Ted and Ted's Dog Fred (My Readers)

Zombie Butts From Uranus (Andy Griffiths' Butt)

What Body Part Is That?: A Wacky Guide to the Funniest, Weirdest, and Most Disgustingest Parts of Your Body

The 52-Story Treehouse: Vegetable Villains! (The Treehouse Books)

The REALLY Big Treehouse Boxed Set: (The 13-Story Treehouse; The 26-Story Treehouse; The 39-Story Treehouse) (The Treehouse Books)

The Treehouse Fun Book (The Treehouse Books)