The Field Guide to the Birds of Australia 9th Edition George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 2016
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications) George Mayfield Costa Rica, Mexico & Central America March 4, 2016
Field Guide to Australian Birds, Complete Compact Edition George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 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
Dragonflies and Damselflies of Texas and the South-Central United States: Texas, Louisiana, Arkansas, Oklahoma, and New Mexico George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Birds of Mexico and Central America George Mayfield Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Mexico & Central America, Nicaragua, Panama April 11, 2017
California Rattlesnakes by Don Becker (iOS & Android App) George Mayfield Apps, Herp App, Reptiles & Amphibians, Reptiles & Amphibians: North America July 8, 2016
Field Guide to Australian Birds George Mayfield Australia, Australia, New Zealand, South Pacific March 30, 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
Dragonflies of Texas: A Field Guide (Texas Natural History Guides(TM)) George Mayfield Dragonflies & Damselflies: North America, Insects April 7, 2016
Endemic Birds of Cuba: A Comprehensive Field Guide George Mayfield Birds, Caribbean, Cuba November 30, 2016