Birds of Southeast Asia George Mayfield Asia & Pacific, Bali, Borneo, Cambodia, China, Indian Subcontinent, Java, Laos, Malaysia, Myanmar, Peninsular Malaysia, Philippines, Singapore, Sumatra, Taiwan, Thailand, Vietnam February 25, 2016
Field Guide to the Birds of Australia (Helm Field Guides) George Mayfield Australia, New Zealand, South Pacific March 30, 2016
CO: American Birding Association Field Guide to the Birds of Colorado George Mayfield State & Province Guides December 6, 2016
Birds of the Middle East: Second Edition (Princeton Field Guides) George Mayfield Israel, Jordan, Lebanon, Palestine, Syria March 8, 2017
IL: American Birding Association Field Guide to Birds of Illinois George Mayfield Illinois December 6, 2016
California Rattlesnakes by Don Becker (iOS & Android App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
National Audubon Society Field Guide to North American Mammals (National Audubon Society Field Guides (Hardcover)) George Mayfield Mammals February 24, 2017
The Sibley eGuide to the Birds of North America (iOS & Android App) George Mayfield Apps, Birding App July 13, 2016
Southern California Reptiles and Amphibians by Donald Becker (iOS & Android App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
The Field Guide to the Birds of Australia 9th Edition George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
Birds of Prey: Hawks, Eagles, Falcons, and Vultures of North America George Mayfield Raptors June 2, 2017
NM: Birding Hot Spots of Santa Fe, Taos, and Northern New Mexico George Mayfield New Mexico April 4, 2017
NY: American Birding Association Field Guide to Birds of New York (American Birding Association State Field) George Mayfield New York December 6, 2016
