28 books • 3 series
Wilderness America (Visual Journey)
National Audubon Society Guide to Photographing America's National Parks
Close-up Photography in Nature
National Audubon Society Guide to Nature Photography: Digital Edition
National Audubon Society Guide to Landscape Photography
Big Sky
Close-up Photography
National Audubon Society Guide to Nature Photography
National Audubon Guide to Nature Photography
Virtual Wilderness
Elephants
Rocky Mountains
Nature Photography Hotspots
Wild Bird Photography
The Sierra Club Guide to 35 Mm Landscape Photography
Nature Photography (National Audubon Society guide)
Soaring with Ravens (Spiritual journey nature)
Fields of Dreams
The Sc Guide 35mm Landscape Photography
Wild Wings
American Birds
Forest
Coastal Wildlife of British Columbia
The Audubon Society Guide to Nature Photography