American Buffalo: In Search of a Lost Icon

The Elephant Whisperer: My Life With the Herd in the African Wild

The Last Rhinos: My Battle to Save One of the World's Greatest Creatures

Wild New World: The Epic Story of Animals and People in America

Crossings: How Road Ecology Is Shaping the Future of Our Planet

A Wolf Called Romeo

Life on Earth

A World on the Wing: The Global Odyssey of Migratory Birds

Beaverland: How One Weird Rodent Made America

Eight Bears: Mythic Past and Imperiled Future

Poached: Inside the Dark World of Wildlife Trafficking

The Hidden World of the Fox

Kingdom of Play: What Ball-bouncing Octopuses, Belly-flopping Monkeys, and Mud-sliding Elephants Reveal about Life Itself

The Age of Deer: Trouble and Kinship with our Wild Neighbors

How to be Animal: A New History of What It Means to Be Human

Mother Nature Is Trying to Kill You: A Lively Tour Through the Dark Side of the Natural World

National Geographic Birding Basics: Tips, Tools, and Techniques for Great Bird-watching

The Poacher's Nightmare: Stories of an Undercover Game Warden

What the Bears Know: How I Found Truth and Magic in America's Most Misunderstood Creatures