Audubon Bird Guide: North America (iOS & Android) George Mayfield Apps, Birding App February 10, 2017
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
NC, SC: American Birding Association Field Guide to Birds of the Carolinas (American Birding Association State Field) George Mayfield North Carolina, South Carolina 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
Birds of Madagascar and the Indian Ocean Islands (Helm Field Guides) George Mayfield Africa, Madagascar February 14, 2017
The Birds of Panama: A Field Guide (Zona Tropical Publications) George Mayfield Mexico & Central America, Panama March 3, 2016
Damselflies of the Northeast : A Guide to the Species of Eastern Canada & the Northeastern United States George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
AZ: American Birding Association Field Guide to Birds of AZ: Arizona (American Birding Association State Field) George Mayfield Arizona December 6, 2000
