When Elephants Weep: The Emotional Lives of Animals

Alex & Me: How a Scientist and a Parrot Discovered a Hidden World of Animal Intelligence--and Formed a Deep Bond in the Process

Diet for a New America: How Your Food Choices Affect Your Health, Happiness and the Future of Life on Earth Second Edition

#EATMEATLESS: Good for Animals, the Earth & All

What a Fish Knows: The Inner Lives of Our Underwater Cousins

Walking With Gorillas: The Journey of an African Wildlife Vet

Forget the Camel: The Madcap World of Animal Festivals and What They Say about Being Human

Wild Horses of Skydog

The Lives of Animals (The University Center for Human Values Series)