The manual describes various cognitive-psychoeducational therapeutic components that can be used in the treatment of depressed patients in both inpatient and outpatient settings. Following a description of the disorder, an overview of the etiology, epidemiology, comorbidity, and diagnostics of depressive disorders is provided. Practically oriented and illustrated with numerous examples, the implementation of the 12-session group therapy is then described. The therapeutic components include psychoeducation about the illness as well as its psychotherapeutic and psychopharmacological treatment options. Additional sessions focus on building activities, cognitive therapy, managing early warning signs, and a crisis plan for relapse prevention. The manual also contains information on therapeutic aspects related to comorbidities.