Evolution

Wild Canids - Their Systematics, Behavioral Ecology and Evolution

Border Collies A Breed Apart: Secrets of the Working Mind

Border Collies A Breed Apart Book Two: Essential Life Skills & Learning

Border Collies A Breed Apart Book Three: Behavior Insights, Issues and Solutions

Between Dog and Wolf - Understanding The Connection and The Confusion

Inside Of A Dog - What Dogs See, Smell and Know

Dog Language - An Encyclopedia Of Canine Behavior

Dog Behavior: Modern Science and Our Canine Companions

Being a Dog: Following the Dog Into a World of Smell - Paperback

Evolution Of Canine Social Behavior, 2nd Edition

The Dog: A Natural History

Dogs A New Understanding Of Canine Origin, Behavior, and Evolution