California Rattlesnakes by Don Becker (iOS & Android App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Birds of East Asia: China, Taiwan, Korea, Japan, and Russia George Mayfield Asia & Pacific, China, Japan, Korea, Russia, Taiwan March 31, 2017
A Field Guide to Western Reptiles and Amphibians (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Dragonflies through Binoculars: A Field Guide to Dragonflies of North America (Butterflies Through Binoculars) George Mayfield Dragonflies & Damselflies: North America September 1, 2016
Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
The Slater Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 22, 2017
NY: American Birding Association Field Guide to Birds of New York (American Birding Association State Field) George Mayfield New York December 6, 2016
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
National Geographic Field Guide to the Birds of North America, Sixth Edition George Mayfield Canada, United States, US & Canada March 3, 2016
The Birds of the Falkland Islands: An Annotated Checklist (BOC Checklist Series) George Mayfield England, Falkland Islands, South America September 22, 2017
California Reptiles by Thomas Benner (iOS App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Birds of the Bible: A Guide for Bible Readers and Birdwatchers George Mayfield Israel February 24, 2017
Waterfowl: An Identification Guide to the Ducks, Geese, and Swans of the World George Mayfield Waterfowl September 8, 2016
