Dog Sense: How the New Science of Dog Behavior Can Make You A Better Friend to Your Pet

Cat Sense: How the New Feline Science Can Make You a Better Friend to Your Pet

The Genius of Dogs: How Dogs Are Smarter Than You Think

Inside of a Dog: What Dogs See, Smell, and Know

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

The Culture Clash: A Revolutionary New Way to Understanding the Relationship Between Humans and Domestic Dogs

Decoding Your Dog: Explaining Common Dog Behaviors and How to Prevent or Change Unwanted Ones

On Talking Terms With Dogs: Calming Signals

How Dogs Learn (Howell reference books)

The Education of Will: A Mutual Memoir of a Woman and Her Dog

When Pigs Fly!: Training Success with Impossible Dogs