Details a therapeutic model for treating patients with personality disorders, based on results from a successful 18-week partial hospitalization program oriented towards group treatment and a psychodynamic approach. Details day-to-day operations of the day treatment program, with extensive illustrations of group process and staff roles, and provides suggestions for creating a similar program and solutions for common problems. Of interest to mental health professionals in public and private clinics and hospitals. Annotation c. by Book News, Inc., Portland, Or.