This book is an edited summary of the transcripts of 34 supervisory case seminars with Dr. Masterson and is purported to be written in response to frequent questions to him about the clinical application of his unique developmental approach to the treatment of borderline adult patients. While countertransference is its primary focus, the discussions give a summary overview of the practical application of his developmental theory. He states that the therapists presenting the material were all experienced although this is not apparent from the nature of the interactions between Dr. Masterson and at least two of the three therapists.

The first case is presented by a “mature and experienced” social worker,