The Naturalist

Theodore Roosevelt, A Lifetime of Exploration, and the Triumph of American Natural History

Grizzly Bear Science and the Art of a Wilderness Life

Forty Years of Research in the Flathead Valley

A Season on the Wind

Inside the World of Spring Migration

Grizzly Bears

Guardians of the Wilderness

Wilding

The Return of Nature to a British Farm

Arctic Traverse

A Thousand-Mile Summer of Trekking the Brooks Range

Arctic Traverse

A Thousand-Mile Summer of Trekking the Brooks Range