The authors, the Coppingers, are well known both among animal behaviorists and outside the scientific community among those who study or are interested in dogs. The book discusses: - the place of the dog in the history of human civilization and how it has changed over the course of history from primitive times to the present day; - the origin and evolution of the dog with an explanation of the forms, breeds, biological meaning of breed-specific features; - the formation of the specific behavior of dogs of various breeds from ethological and genetic points of view. As an important advantage of the work, the lively language and peculiar humor of the authors should be noted. Having demonstrated a non-trivial scientific analysis and undoubted literary talent, the authors created a bright and interesting book. Intended for dog handlers, ethologists, ecologists, anthropologists, students of veterinary faculties and academies, as well as for a wide range of readers.