This book, written by American experts, describes in detail the principles of choosing a puppy for a working and sports career and the method of preparing a dog for tests and competitions in Schutzhund (IPO). Exercises for all three sections of Schutzhund (tracking, obedience and protection) are divided into separate simple elements, methods of teaching these elements and some typical trainer mistakes are described. The authors pay special attention to creating a strong motivation for work in the animal. This guide is intended for owners of service dogs, training instructors and athletes who compete with dogs at competitions of various levels.