A Field Guide to the Birds of Mexico and Adjacent Areas: Belize, Guatemala, and El Salvador, Third Edition (Corrie Herring Hooks) George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 12, 2017
NM: Birding Hot Spots of Santa Fe, Taos, and Northern New Mexico George Mayfield New Mexico April 4, 2017
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
National Geographic Field Guide to the Birds of North America, Sixth Edition George Mayfield Canada, United States, US & Canada March 3, 2016
CA: American Birding Association Field Guide to Birds of California (American Birding Association State Field) George Mayfield California December 6, 2016
Mammals of North America: Second Edition (Princeton Field Guides) George Mayfield Mammals February 24, 2017
Birds of Kenya and Northern Tanzania George Mayfield Africa, Birds, Kenya, Tanzania September 1, 2016
A Guide to the Birds of Panama: With Costa Rica, Nicaragua, and Honduras George Mayfield Costa Rica, Honduras, Mexico & Central America, Nicaragua, Panama March 4, 2016
Birds of East Asia: China, Taiwan, Korea, Japan, and Russia George Mayfield Asia & Pacific, China, Japan, Korea, Russia, Taiwan March 31, 2017
PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 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
Sparrows of the United States and Canada: The Photographic Guide George Mayfield Songbirds March 4, 2016
