This manual is unique in its kind, offers an excellent overview of all systems approaches, explaining with precision currents and their representatives, the concepts, methods of intervention, disposition and duration of treatment and criteria for evaluation of its effectiveness. The authors, Arist von Schlippe and Jochen Schweitzer, are renowned professionals representing the two streams of systemic therapy major German (Weinheim and Heidelberg). His book highlights the theoretical clarity and good practice guidance, is competent and, at the same time, understandable and readable, synoptic exposure deepens achieved a fullness of detail by illustrative case examples, consider the latest developments of the theme and convinces the avowed purpose of presenting the matter objectively and without hiding their weaknesses.