The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
Dragonflies and Damselflies of Georgia and the Southeast (Wormsloe Foundation Nature Book) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Field Guide to the Birds of Australia (Helm Field Guides) George Mayfield 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
A Guide to the Birds of Panama: With Costa Rica, Nicaragua, and Honduras George Mayfield Costa Rica, Honduras, Mexico & Central America, Nicaragua, Panama March 4, 2016
Reptiles and Amphibians of the Amazon: An Ecotourist’s Guide George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: South America September 7, 2016
National Geographic Pocket Guide to the Mammals of North America George Mayfield Mammals February 24, 2017
Birds of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 11, 2017
(Black and White) Birds of the West Indies: A Guide to the species of birds that inhabit the Greater Antilles, Lesser Antilles and Bahama Islands George Mayfield Caribbean, Cuba February 24, 2017
A Field Guide to the Birds of New Zealand (Princeton Pocket Guides) George Mayfield Australia, New Zealand, South Pacific, New Zealand March 22, 2016