The Geysers of Yellowstone: Sixth Edition

To the Ends of the Earth: A Grand Tour for the 21st Century

The Dayhiker's Guide to the National Parks: 280 Trails, All 63 Parks (Dayhiker's Guides)

Yellowstone Park Attractions and Sights to See Kids Book: Great Book for kids about Yellowstone National Park

There's Work to Be Done. (An Official Yellowstone Quote Book): Words to Live (and Die) By from the Dutton Ranch

Yellowstone National Park Adventure Set: Trail Map & Wildlife Guide

The American West Coloring Book: Color Life on the Frontier - More Than 100 Pages to Color (Chartwell Coloring Books)

Old Faithful Day Hikes: Yellowstone National Park Map (National Geographic Trails Illustrated Map, 319)

Before Yellowstone: Native American Archaeology in the National Park (Samuel and Althea Stroum Books xx)

Natural Rivals: John Muir, Gifford Pinchot, and the Creation of America's Public Lands