Field Guide to the Amphibians and Reptiles of Britain and Europe (Helm Field Guides) George Mayfield Europe:Other, Reptiles & Amphibians December 13, 2016
Petrels, Albatrosses, and Storm-Petrels of North America: A Photographic Guide George Mayfield Seabird Guides March 4, 2016
Britain’s Birds: An Identification Guide to the Birds of Britain and Ireland (WILDGuides) George Mayfield Birds, England, Europe, Ireland, Scotland February 10, 2017
CO: American Birding Association Field Guide to the Birds of Colorado George Mayfield State & Province Guides December 6, 2016
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil (A Field Guide) George Mayfield Birds, Brazil, South America September 7, 2016
The Birds of the Falkland Islands: An Annotated Checklist (BOC Checklist Series) George Mayfield England, Falkland Islands, South America September 22, 2017
A Birdwatching Guide to North East Germany and its Baltic Coast George Mayfield Europe, Germany, Poland March 30, 2017
NJ: American Birding Association Field Guide to the Birds of New Jersey George Mayfield New Jersey December 6, 2016
Field Guide to the Birds of Colombia George Mayfield Birds, Colombia, South America September 6, 2016
The Stokes Field Guide to the Birds of North America George Mayfield Canada, US & Canada March 1, 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
Birds of Prey of Australia: A Field Guide 2nd ed. George Mayfield Australia, Australia, New Zealand, South Pacific, Raptors April 5, 2016
