Have you ever asked: Why does my dog bark when left alone? Jump up at visitors? Pull on the lead? This practical and authoritative book from a leading dog expert gives you all the answers and explains how to change problem behaviour - without resorting to punishment. Using your dog's psychology, the instincts it has inherited from his wolf ancestors, John Fisher provides a fascinating insight into the roots of a dog's behaviour. Written with both dog and owner in mind, this is the essential book for anyone seeking a greater understanding of their furry friend.