Now in a significantly revised sixth edition with 70% new material, this comprehensive handbook has introduced tens of thousands of practitioners and students to the leading forms of couple therapy practiced today. Prominent experts present effective ways to reduce couple distress, improve overall relationship satisfaction, and address specific relational or individual problems. Chapters on major approaches follow a consistent format to help readers easily grasp each model's history, theoretical underpinnings, evidence base, and clinical techniques. Chapters on applications provide practical guidance for working with particular populations (such as stepfamily couples and LGBT couples) and clinical problems (such as intimate partner violence, infidelity, and various psychological disorders). Instructive case examples are woven throughout. New to This Edition *Chapters on additional clinical approaches: acceptance and commitment therapy, mentalization-based therapy, intergenerational therapy, socioculturally attuned therapy, and the therapeutic palette approach. *Chapters on sexuality, older adult couples, and parents of youth with disruptive behavior problems. *Chapters on assessment and common factors in couple therapy. *Chapters on cutting-edge special topics: relationship enhancement, telehealth interventions, and ethical issues in couple therapy.