Dog Evolution

Dog training is full of differing opinions, myths, and old wives' tales. With so much conflicting information, how do you know what theory is the best for training your dog? The Evolution of Dog Training details how to teach your dog, one step at a time, without causing your dog pain or fear. It carefully explains how training with choke chains started and why trainers are now using clickers instead. You'll also learn what current research and scientific studies tell us about how dogs learn, making it easier to a turn your beloved pet into a well-behaved dog.

The first aircraft to appear in the skies over the battlefields of World War I showed few signs of the dominant future of airplanes in warfare. Small, fragile, and slow, they provided no hint of the sleek jet fighters that would one day slash across the skies of Earth faster than sound. The Dogfights of the World Wars: The Evolution and History of the Fight in the Skies During World War I and World War II looks at how technology and tactics evolved during the wars.