Andy Hughes

Andy Hughes is a photographer whose works center on the environment. John Bradshaw is the author of the bestseller "Dog Sense: How the New Science of Dog Behavior Can Make You a Better Friend to Your Pet" and founder of the Anthrozoology Institute at the University of Bristol. Alexandra Horowitz, author of "Inside of a Dog: What Dogs See, Smell, and Know," teaches psychology at Barnard College, Columbia University, in New York City.