PA: American Birding Association Field Guide to Birds of Pennsylvania (American Birding Association State Field) George Mayfield Pennsylvania December 6, 2016
The Bees in Your Backyard: A Guide to North America’s Bees George Mayfield Bees, Insects October 20, 2016
Audubon Bird Guide: North America (iOS & Android) George Mayfield Apps, Birding App February 10, 2017
Britain’s Birds: An Identification Guide to the Birds of Britain and Ireland (WILDGuides) George Mayfield Birds, England, Europe, Ireland, Scotland February 10, 2017
BirdsEye – Global Bird Finding Guide (iOS & Android App) George Mayfield Apps, Birding App March 23, 2016
Dragonflies and Damselflies of the West (Princeton Field Guides) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Field Guide to Amphibians and Reptiles of the San Diego Region (California Natural History Guides) George Mayfield Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Birds of the Indonesian Archipelago: Greater Sundas and Wallacea George Mayfield Bali, Birds, Borneo, Java December 13, 2016
The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi (Princeton Field Guides) George Mayfield Africa, Kenya, Tanzania September 6, 2016
