Plateau: High Country Wildflowers
Plateau: Wilderness Areas of the Colorado Plateau
Plateau: Birds of Prey
Plateau: Wildlife of the Colorado Plateau
High Altitude Gardening for the Intermountain West
Natural Landmarks of Arizona by David Yetman
Medicinal Plants of the Mountain West
Animals in Action: A Book for Young Readers
Oceana: Our Endangered Oceans and what We Can Do to Save Them by Ted Danson
Birds of Arizona