The Dakotas Off the Beaten Path®: A Guide to Unique Places (Off the Beaten Path Series)
Fodor's The Complete Guide to the National Parks of the West (Full-color Travel Guide)
Best Easy Day Hikes Black Hills Country (Best Easy Day Hikes Series)
Best Easy Day Hikes Glacier and Waterton Lakes National Parks (Best Easy Day Hikes Series)
Frommer's Yellowstone and Grand Teton National Parks (Complete Guide)