I Could Pee on This, Too: And More Poems by More Cats

The Little Book of Alpaca Philosophy: A calmer, wiser, fuzzier way of life (The Little Animal Philosophy Books)

Oh. It's You.: Love Poems by Cats

The Good, The Bad and The Furry: The Brand New Adventures of the World's Most Melancholy Cat and Other Whiskery Friends

The Incomplete Tim Key: About 300 of his poetical gems and what-nots

You Need More Sleep: Advice from Cats

The Ridiculously Divine Comedy: A Sample of True Tall Tales

I Knead My Mummy: And Other Poems by Kittens

Business Cat: Money, Power, Treats

Doug the Pug: The King of Pop Culture

Guide to Troubled Birds

I Am Maru

The Field Guide to Dumb Birds of North America

Tuna Melts My Heart: The Underdog with the Overbite

Tell Me Where It Hurts: A Day of Humor, Healing, and Hope in My Life as an Animal Surgeon

The Little Book of Otter Philosophy (The Little Animal Philosophy Books)

The Wasp That Brainwashed the Caterpillar

How 2 Be Awsum: A LOLcat Guide 2 Life

Grumpy Cat: A Grumpy Book