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
Dragonflies and Damselflies of Texas and the South-Central United States: Texas, Louisiana, Arkansas, Oklahoma, and New Mexico George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Birding Northeast Ecuador: Birding Areas of Northeast Ecuador George Mayfield Birds, Ecuador, South America November 30, 2016
Peterson Field Guide to Mammals of North America: Fourth Edition (Peterson Field Guides) George Mayfield Mammals February 24, 2017
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
PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
The Complete Guide to Finding the Birds of Australia George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
The Sibley Field Guide to Birds of Western North America: Second Edition George Mayfield Western North America March 4, 2016
