In the Shadow of Man

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

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

Jane Goodall: 50 Years at Gombe: A Tribute to the Five Decades of Wildlife Research, Education, and Conservation

Eating Animals

Encyclopedia of Animal Rights and Animal Welfare: [2 volumes], Edition 2

Seeds of Hope: Wisdom and Wonder from the World of Plants

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

Ignoring Nature No More: The Case for Compassionate Conservation

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

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

The Book of Hope: A Survival Guide for Trying Times

The Tiger: A True Story of Vengeance and Survival

Listening to Cougar

Babylon's Ark: The Incredible Wartime Rescue of the Baghdad Zoo

The Animals' Agenda: Freedom, Compassion, and Coexistence in the Human Age

Animal Liberation

The Jane Effect: Celebrating Jane Goodall

A Lion Called Christian

Lost and Found: True tales of love and rescue from Battersea Dogs & Cats Home