Birds of Australia: Eighth Edition (Princeton Field Guides) George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
MA: American Birding Association Field Guide to Birds of Massachusetts George Mayfield Massachussets December 6, 2016
Birds of India: Pakistan, Nepal, Bangladesh, Bhutan, Sri Lanka, and the Maldives, Second Edition (Princeton Field Guides) George Mayfield Asia & Pacific, Bangladesh, India, Nepal, Pakistan, Sri Lanka February 28, 2017
PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
Damselflies of the Northeast : A Guide to the Species of Eastern Canada & the Northeastern United States George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 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 Moths of Northeastern North America (Peterson Field Guides) George Mayfield Butterflies & Moths 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
Birds of the Bible: A Guide for Bible Readers and Birdwatchers George Mayfield Israel February 24, 2017
Waterfowl of North America, Europe, and Asia: An Identification Guide George Mayfield Birds, Waterfowl April 5, 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
Wildlife Conservation Society Birds of Brazil: The Pantanal and Cerrado of Central Brazil (A Field Guide) George Mayfield Birds, Brazil, South America September 7, 2016
