Eric Peterson
Frommer's Yellowstone and Grand Teton National Parks (Park Guides)
Frommer's EasyGuide to Colorado 2014
Frommer's Utah
Frommer's EasyGuide to Colorado
Frommer's Yellowstone and Grand Teton National Parks (Park Guides)
Frommer's Colorado
Frommer's Montana and Wyoming
Frommer's Yosemite and Sequoia / Kings Canyon National Parks
Roadside Americana
Frommer's Utah
Ramble: A Field Guide to the U.S.A. (Ramble Guides)
Frommer's Texas
Frommer's Yosemite and Sequoia & Kings Canyon National Parks (Park Guides)