Bovids of the World: Antelopes, Gazelles, Cattle, Goats, Sheep, and Relatives (Princeton Field Guides)
Woodpeckers of the World: A Photographic Guide
The Arctic Guide: Wildlife of the Far North (Princeton Field Guides)
The Australian Bird Guide (Princeton Field Guides)
A Guide to the Mammals of Southeast Asia
Mammals of China (Princeton Pocket Guides)
Peterson Field Guide to Bird Sounds of Eastern North America (Peterson Field Guides)
Peterson Field Guide to Birds of Northern Central America (Peterson Field Guides)
The Kingdon Field Guide to African Mammals: Second Edition