Dog Language: An Encyclopedia of Canine Behavior

The Dog's Mind: Understanding Your Dog's Behavior (Howell reference books)

Canine Body Language: A Photographic Guide Interpreting the Native Language of the Domestic Dog

On Talking Terms With Dogs Calming Signals

Excel-Erated Learning: Explaining in Plain English How Dogs Learn and How Best to Teach Them

How To Speak Dog: Mastering the Art of Dog-Human Communication

Wolfdogs A-Z: Behavior, Training & More (Wolf Hybrids)

The Other End of the Leash: Why We Do What We Do Around Dogs

Living with Wolfdogs: An Everyday Guide to a Lifetime Companionship, Second Edition (Wolf Hybrid Education)

How Dogs Think: What the World Looks Like to Them and Why They Act the Way They Do