This text investigates the clinical application of the Masterson Approach in treating personality disorders rooted in developmental failures of the self. James F. Masterson, a prominent psychiatrist, and Ralph Klein synthesize decades of clinical observation to provide a framework for understanding borderline and narcissistic personality disorders. The authors argue that these conditions stem from early developmental arrests and propose specific therapeutic techniques to facilitate the integration of the self. By utilizing a developmental, self, and object relations perspective, the book outlines a structured methodology for clinicians to navigate the complex transference and countertransference dynamics inherent in treating these patients.

Experts in the field of object relations theory recognize this work as a foundational text for clinicians working with personality disorders. Readers frequently note the clinical density of the prose, which is intended for professionals seeking a rigorous, systematic approach to complex psychotherapeutic cases.