Birds of the Pacific Northwest (A Timber Press Field Guide) George Mayfield Western North America June 2, 2017
PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
Waterfowl of North America, Europe, and Asia: An Identification Guide George Mayfield Birds, Waterfowl April 5, 2016
MA: American Birding Association Field Guide to Birds of Massachusetts George Mayfield Massachussets December 6, 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
Reptiles and Amphibians of the Amazon: An Ecotourist’s Guide George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: South America September 7, 2016
A Field Guide to Mexican Birds: Mexico, Guatemala, Belize, El Salvador (Peterson Field Guides) George Mayfield Belize, El Salvador, Guatemala, Mexico, Mexico & Central America April 11, 2017
Peterson Field Guide to Moths of Northeastern North America (Peterson Field Guides) George Mayfield Butterflies & Moths April 4, 2017
Sparrows of the United States and Canada: The Photographic Guide George Mayfield Songbirds March 4, 2016
CO: American Birding Association Field Guide to the Birds of Colorado George Mayfield State & Province Guides December 6, 2016
Birds of Prey: Hawks, Eagles, Falcons, and Vultures of North America George Mayfield Raptors June 2, 2017
