Searching for Yellowstone: Ecology And Wonder In The Last Wilderness

Yellowstone: A Visitor's Companion (National Park Visitor's Companions)

Decade of the Wolf, Revised and Updated: Returning The Wild To Yellowstone

For Everything There Is a Season: The Sequence of Natural Events in the Grand Teton-Yellowstone Area

Windows into the Earth: The Geologic Story of Yellowstone and Grand Teton National Parks

Roadside Geology of Yellowstone Country (Roadside Geology Series)

Yellowstone National Park (National Geographic Trails Illustrated Map)

Yellowstone Wolves in the Wild

To Save the Wild Bison: Life on the Edge in Yellowstone

Yellowstone Wildlife: A Folding Pocket Guide to Familiar Animals of the Yellowstone Area (A Pocket Naturalist Guide)

Yellowstone: A Journey Through America's Wild Heart