First published in 1980. In this volume a leading clinician brings diagnostic order, a comprehensible theory, and a clinical approach out of the confusion and controversy surrounding the concept borderline. Through an interweaving of theoretical concepts and rich clinical experience, Dr. Masterson develops not only a clear definition of the border Iine syndrome. but also the etiology and treatment of this complex disorder.

James F. Masterson Clinical Professor of Psychiatry, Cornell University Medical College—New York Hospital (Payne Whitney Clinic) Visiting Professor of Psychiatry, University of Toronto Director, The Masterson Group for the Study and Treatment of Character Disorders (Adult and Adolescent). Jacnita Lu Costello Staff Social Worker, The Masterson Group