A Field Guide to Mexican Birds: Mexico, Guatemala, Belize, El Salvador (Peterson Field Guides) George Mayfield Belize, El Salvador, Guatemala, Mexico, Mexico & Central America April 11, 2017
Dragonflies and Damselflies of the East (Princeton Field Guides) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 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
The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi (Princeton Field Guides) George Mayfield Africa, Kenya, Tanzania September 6, 2016
TX: American Birding Association Field Guide to Birds of Texas George Mayfield Texas December 6, 2016
Field Guide to the Birds of Colombia George Mayfield Birds, Colombia, South America September 6, 2016
Southern California Reptiles and Amphibians by Donald Becker (iOS & Android App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Birds of the Pacific Northwest (A Timber Press Field Guide) George Mayfield Western North America June 2, 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
A Guide to the Birds of Colombia George Mayfield Birds, Colombia, Other Fauna, South America September 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
