The Yellowstone Fly-Fishing Guide, New and Revised

Lonely Planet Yellowstone & Grand Teton National Parks (National Parks Guide)

A Field Guide to Yellowstone and Grand Teton National Parks

Best Easy Day Hikes Yellowstone National Park (Best Easy Day Hikes Series)

National Geographic Yellowstone

Freedom Found: My Life Story

Yellowstone Wildlife: A Folding Pocket Guide to Familiar Animals of the Yellowstone Area (Nature Observation North America)

Requiem for America’s Best Idea: National Parks in the Era of Climate Change

Camping Montana: A Comprehensive Guide to Public Tent and RV Campgrounds (State Camping Series)

Geology Underfoot in Southern Idaho