The Culture Clash: A Revolutionary New Way to Understanding the Relationship Between Humans and Domestic Dogs
Dogs Are from Neptune (2nd Edition)
Fight! A Practical Guide to the Treatment of Dog Dog Aggression
The Cautious Canine-How to Help Dogs Conquer Their Fears
Behavior Adjustment Training 2.0: New Practical Techniques For Fear, Frustration, and Aggression
Do Over Dogs - Give Your Dog a Second Chance for a First Class Life
Reaching the Animal Mind: Clicker Training and What It Teaches Us About All Animals
Teaching Fido to Learn to Earn: Dr. Yin's Program for Developing Leadership in Humans and Impulse Control in Dogs
How Dogs Learn (Howell reference books)
I'll be Home Soon: How to Prevent and Treat Separation Anxiety.