BirdsEye – Global Bird Finding Guide (iOS & Android App) George Mayfield Apps, Birding App March 23, 2016
Peterson Field Guide to Mammals of North America: Fourth Edition (Peterson Field Guides) George Mayfield Mammals February 24, 2017
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
NM: Birding Hot Spots of Santa Fe, Taos, and Northern New Mexico George Mayfield New Mexico April 4, 2017
The Birds of the Falkland Islands: An Annotated Checklist (BOC Checklist Series) George Mayfield England, Falkland Islands, South America September 22, 2017
NC, SC: American Birding Association Field Guide to Birds of the Carolinas (American Birding Association State Field) George Mayfield North Carolina, South Carolina December 6, 2016
Birds of New Guinea: Second Edition (Princeton Field Guides) George Mayfield Australia, New Zealand, South Pacific, New Guinea, Papua New Guinea, South Pacific March 30, 2017
Field Guide to Australian Birds, Complete Compact Edition 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 Europe (2nd Edition) Drew Armenia, Azerbaijan, England, Europe, France, Germany, Ireland, Israel, Italy, Jordan, Lebanon, Palestine, Scotland, Syria, Turkey, Wales March 30, 2016
