Nature

National Audubon Society Pocket Guide to Familiar Birds: Western Region: Western

National Audubon Society Pocket Guide to Familiar Birds: Eastern Region: Eastern

The White Death: Tragedy and Heroism in an Avalanche Zone

The Condor's Shadow: The Loss and Recovery of Wildlife in America

The Meadowlands: Wilderness Adventures at the Edge of a City

To Touch a Wild Dolphin: A Journey of Discovery with the Sea's Most Intelligent Creatures

Dinosaurs of the Flaming Cliff:

Arctic Dreams:

Yearning for the Land: A Search for Homeland in Scotland and America

Finding Beauty in a Broken World:

Born Free: A Lioness of Two Worlds

Mountains of the Mind: Adventures in Reaching the Summit