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