The practical book of the best German veterinary-psychologist affects basic, sickliest for any dog-breeder, problem in education of dogs. Martin Рюттер knows what real stress undesirable behavior of pet can become for a man, and gives clear recommendations. How independently to manage with aggression of dog in relation to other colleagues? How to break of the habit of her do I go to steal from a table? That to do, when dog on does a leash tension a walk and eats from earth that got? An author describes the most widespread problems, specifies reasons of their origin and offers the tested solutions. His instructions on education are clear and show as possible by means of simple steps to change behavior of the pet or it is better to adapt oneself to him.