Waterfowl: An Identification Guide to the Ducks, Geese, and Swans of the World George Mayfield Waterfowl September 8, 2016
The Sibley Field Guide to Birds of Eastern North America: Second Edition George Mayfield Eastern North America March 4, 2016
Birds of New Guinea: Second Edition (Princeton Field Guides) George Mayfield Australia, New Zealand, South Pacific, New Guinea, Papua New Guinea, South Pacific March 30, 2017
Mammals of North America: Second Edition (Princeton Field Guides) George Mayfield Mammals February 24, 2017
The Bees in Your Backyard: A Guide to North America’s Bees George Mayfield Bees, Insects October 20, 2016
Birds of Mexico and Central America: (Princeton Illustrated Checklists) George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama February 10, 2017
Peterson Field Guide to Birds of Northern Central America George Mayfield Belize, El Salvador, Guatemala, Honduras, Mexico & Central America November 30, 2016
NJ: American Birding Association Field Guide to the Birds of New Jersey George Mayfield New Jersey December 6, 2016
NM: Birding Hot Spots of Santa Fe, Taos, and Northern New Mexico George Mayfield New Mexico April 4, 2017
A Field Guide to Western Reptiles and Amphibians (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
