This book, created by one of the world's leading dog training experts, Dr. Helmut Reiser, talks about the method of training service dogs for protective work. The first part of the book introduces the reader to the theoretical foundations of training service dogs. The second and third parts contain a detailed and consistent description of the practical side of training, which will help train the dog in the most rational way, relying on natural instincts and developing them. X. Raiser's method allows you to engage in training systematically and creatively, flexibly selecting tasks taking into account the individual capabilities of the dog. The publication is addressed to canine athletes, training instructors, trainers, helpers, performance judges, breeders and novice dog lovers.