Bears: Without Fear

Wolf

Field Guide to Whales, Dolphins and Porpoises

Never Cry Wolf

Sasquatch: Legend Meets Science

Fishes of the Maldives: Indian Ocean, With Sharks & Rays (2019)

Dogs: Their Fossil Relatives & Evolutionary History

Pit Bull: The Battle over an American Icon

Wild Cats of the World

End of the Megafauna: The Fate of the World's Hugest, Fiercest, and Strangest Animals

Systematics and Evolution of the Sthenurine Kangaroos

The Domestic Cat: The Biology of its Behaviour, Edition 3

Animals Make Us Human: Creating the Best Life for Animals

The Man Who Lives with Wolves: A Memoir

Weddell Seals: Science, Life History, and Population Dynamics

Unleashing Your Dog: A Field Guide to Giving Your Canine Companion the Best Life Possible

The Ornaments of Life: Coevolution and Conservation in the Tropics

Diving Seals & Meditating Yogis: Strategic Metabolic Retreats