FL: American Birding Association Field Guide to Birds of Florida George Mayfield Florida December 6, 2016
Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition (Peterson Field Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 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
Birds of Southeast Asia George Mayfield Asia & Pacific, Bali, Borneo, Cambodia, China, Indian Subcontinent, Java, Laos, Malaysia, Myanmar, Peninsular Malaysia, Philippines, Singapore, Sumatra, Taiwan, Thailand, Vietnam February 25, 2016
Birds of East Asia: China, Taiwan, Korea, Japan, and Russia George Mayfield Asia & Pacific, China, Japan, Korea, Russia, Taiwan March 31, 2017
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
A Field Guide to the Birds of the West Indies (Peterson Field Guides) George Mayfield Caribbean, Cuba February 24, 2017
Birds of the Horn of Africa: Ethiopia, Eritrea, Djibouti, Somalia, and Socotra (Princeton Field Guides) George Mayfield Africa, Birds November 30, 2016