The Elephant Whisperer: Learning About Life, Loyalty and Freedom From a Remarkable Herd of Elephants

Beneath the Surface: Killer Whales, SeaWorld, and the Truth Beyond Blackfish

The Wilderness Family

Wolf

Death at SeaWorld: Shamu and the Dark Side of Killer Whales in Captivity

The Corfu Trilogy

Eating Animals

Field Guide to Whales, Dolphins and Porpoises

These Truths: A History of the United States

Aquarium Fish (Collins Gem)

Cry Of The Kalahari

Never Cry Wolf

American Buffalo: In Search of a Lost Icon

Field Guide to Marine Fishes of Tropical Australia

The Lost Dogs: Michael Vick's Dogs and Their Tale of Rescue and Redemption

The Ridiculously Divine Comedy: A Sample of True Tall Tales

The Happiness of Dogs: Why the Unexamined Life Is Most Worth Living

Freshwater Fish Distribution

Tiny But Mighty: Kitten Lady's Guide to Saving the Most Vulnerable Felines

Animal Liberation