The book examines in detail the origin, psychophysiological characteristics and features of training Caucasian and Central Asian shepherd dogs. The authors, experts of the Ukrainian Federation of Security Services on guard dogs, give specific advice not only on training wolfhounds, but also on passing dogs through protective guard service courses and testing. The results of the Ukrainian championships among guard Caucasian and Central Asian shepherd dogs are presented. The book was written with boundless love for representatives of these breeds; many examples are given from the authors’ practice. For current and future owners of wolfhounds, for testers and trainers, and simply for dog lovers!