19 books • 8 series
The Desert Islands of Mexico's Sea of Cortez
Official Guide to the North Rim
Mac's Pocket Guide Grand Canyon National Park Geology (Mac's Pocket Guides)
A Guide to Southern Utah's Hole-in-the-Rock Trail
A Traveler's Guide to Monument Valley
Lake Powell (Pocket Portfolio)
Monument Valley (Wish You Were Here Postcard Books)
Death Valley (Sierra Press)
Longstreet Highroad Guide to the Arizona Mountains & Grand Canyon (Longstreet Highroad Guides)
Hiking Arizona (Hiking Arizona) (State Hiking Guides) (Falcon Guides Hiking)
Wilderness Areas of the Colorado Plateau
A Traveller's Guide to Monument Valley
Grand Canyon (Pocket Portfolio, #2)
Red Rock-Sacred Mountain
A Wilderness Called Grand Canyon
A Guide to Exploring Oak Creek and the Sedona Area
Hiker's Guide to Arizona
A Naturalist's Guide to Hiking the Grand Canyon
Naturalist's San Juan River Guide
