NM: Birding Hot Spots of Santa Fe, Taos, and Northern New Mexico George Mayfield New Mexico April 4, 2017
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
CA: American Birding Association Field Guide to Birds of California (American Birding Association State Field) George Mayfield California December 6, 2016
Birds of the Indonesian Archipelago: Greater Sundas and Wallacea George Mayfield Bali, Birds, Borneo, Java December 13, 2016
Waterfowl of North America, Europe, and Asia: An Identification Guide George Mayfield Birds, Waterfowl April 5, 2016
Finding Australian Birds: A Field Guide to Birding Locations (Kindle Edition) George Mayfield Australia, Australia, New Zealand, South Pacific April 5, 2016
Raptors of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama, Raptors April 11, 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