The book investigates the cognitive abilities and sensory perceptions of dogs. Stanley Coren, a professor of psychology and an expert in canine behavior, explores what dogs can perceive through their senses of smell, hearing, and sight, and how these senses influence their understanding of the world. The work draws on scientific research and anecdotal evidence to explain the complex inner lives of our canine companions, aiming to bridge the gap between human and dog understanding.

Stanley Coren's work is generally well-regarded within the fields of animal behavior and popular science, often praised for making complex scientific concepts accessible to a general audience. Readers frequently commend the book for its insightful explanations of canine cognition and its practical advice for dog owners. The book is seen as a valuable resource for anyone seeking to deepen their understanding of their dog's behavior and mental world.