We've shared our lives with dogs for thousands of years, but they still act in ways that baffle us. To help us understand them better, Dr. Stanley Coren, the undisputed expert on dog behavior, intelligence, and training, tells the story of how dogs evolved over time into the myriad forms and breeds we love today. Not simply domesticated wolves, dogs are actually much more complex than wild canines their ability to adapt to a man-made world is far more flexible, their personalities far more diverse. Fascinating findings reveal which breeds were bred to become more dominant, affectionate, cooperative, or even dangerous. This practical, surprising book also presents -- for the first time -- the Dog Behavior Inventory, a simple, fun test based on the personality-profiling questionnaires used in human psychological studies that you can administer to your own dog to get a detailed picture of his personality and how he compares to other members of his breed. Then, using the findings of the U.