The Complete Guide to Finding the Birds of Australia George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
Dragonflies and Damselflies of the West (Princeton Field Guides) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Audubon Bird Guide: North America (iOS & Android) George Mayfield Apps, Birding App February 10, 2017
The Birds of the Falkland Islands: An Annotated Checklist (BOC Checklist Series) George Mayfield England, Falkland Islands, South America September 22, 2017
Birds of Southern Africa: Fourth Edition (Princeton Field Guides) George Mayfield Africa, Botswana, South Africa March 22, 2016
Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
IL: American Birding Association Field Guide to Birds of Illinois George Mayfield Illinois December 6, 2016
BirdsEye – Global Bird Finding Guide (iOS & Android App) George Mayfield Apps, Birding App March 23, 2016
Birding Northeast Ecuador: Birding Areas of Northeast Ecuador George Mayfield Birds, Ecuador, South America November 30, 2016
NY: American Birding Association Field Guide to Birds of New York (American Birding Association State Field) George Mayfield New York December 6, 2016