A Guide to the Birds of Colombia George Mayfield Birds, Colombia, Other Fauna, South America September 6, 2016
National Geographic Pocket Guide to the Mammals of North America George Mayfield Mammals February 24, 2017
NY: American Birding Association Field Guide to Birds of New York (American Birding Association State Field) George Mayfield New York December 6, 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
Peterson Field Guide to Birds of Western North America, Fourth Edition (Peterson Field Guides George Mayfield Canada, United States, US & Canada, Western North America June 20, 2016
A Birdwatching Guide to North East Germany and its Baltic Coast George Mayfield Europe, Germany, Poland March 30, 2017
The Sibley Field Guide to Birds of Eastern North America: Second Edition George Mayfield Eastern North America March 4, 2016
A Field Guide to Western Reptiles and Amphibians (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Birds of Madagascar and the Indian Ocean Islands (Helm Field Guides) George Mayfield Africa, Madagascar February 14, 2017
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
Birds of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 11, 2017