English summary: Ten years after the publication of the first volume of the Textbook of Systemic Therapy and Counseling, Jochen Schweitzer and Arist von Schlippe turn their attention to the disorder-specific knowledge we have today of systemic therapy. From schizophrenic psychoses to eating disorders and addictions to suicidal endangerment; from cry-babies to learning disorders to hyperactivity; from adolescent headache to breast cancer...