[Summary] In "Antisocial, Borderline, Narcissistic & Histrionic Workbook: Treatment Strategies for Cluster B Personality Disorders," Daniel J. Fox offers guidance and tools for clinicians to diagnose and treat individuals with personality disorders, specifically those belonging to Cluster B, which encompasses Antisocial, Borderline, Narcissistic, and Histrionic personality disorders. The text focuses on various aspects of diagnosis and treatment, including risk and protective factors, core and surface structures, managing defenses, and applying Dialectical Behavior Therapy (DBT) skills.