MA: American Birding Association Field Guide to Birds of Massachusetts George Mayfield Massachussets December 6, 2016
Newman’s Birds of Southern Africa: 10th Edition George Mayfield Africa, Botswana, South Africa September 6, 2016
PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
The Sibley Field Guide to Birds of Eastern North America: Second Edition George Mayfield Eastern North America March 4, 2016
The Birds of Panama: A Field Guide (Zona Tropical Publications) George Mayfield Mexico & Central America, Panama March 3, 2016
A Guide to the Birds of Mexico and Northern Central America George Mayfield Belize, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua March 4, 2016
The Field Guide to the Birds of Australia 9th Edition George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
Dragonflies through Binoculars: A Field Guide to Dragonflies of North America (Butterflies Through Binoculars) George Mayfield Dragonflies & Damselflies: North America September 1, 2016
AZ: American Birding Association Field Guide to Birds of AZ: Arizona (American Birding Association State Field) George Mayfield Arizona December 6, 2000
