In the Shadow of Man

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

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

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

The Wilderness Family

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

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

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

The Corfu Trilogy

Ignoring Nature No More: The Case for Compassionate Conservation

Eating Animals

The Jane Effect: Celebrating Jane Goodall

Cry Of The Kalahari

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

American Buffalo: In Search of a Lost Icon

Listening to Cougar

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

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