PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
Field Guide to the Birds of Machu Picchu and the Cusco Region, Peru: Includes a Bird Finding Guide to the Area George Mayfield Birds, Peru, South America November 30, 2016
National Geographic Pocket Guide to the Mammals of North America George Mayfield Mammals February 24, 2017
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
Reptiles and Amphibians of the Amazon: An Ecotourist’s Guide George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: South America September 7, 2016
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 Northern Central America George Mayfield Belize, El Salvador, Guatemala, Honduras, Mexico & Central America November 30, 2016
Peterson Field Guide to Moths of Northeastern North America (Peterson Field Guides) George Mayfield Butterflies & Moths April 4, 2017
BirdsEye – Global Bird Finding Guide (iOS & Android App) George Mayfield Apps, Birding App March 23, 2016
The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi (Princeton Field Guides) George Mayfield Africa, Kenya, Tanzania September 6, 2016
A Field Guide to the Birds of the West Indies (Peterson Field Guides) George Mayfield Caribbean, Cuba February 24, 2017
Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
Field Guide to the Birds of Colombia George Mayfield Birds, Colombia, South America September 6, 2016
