This clinical reference and widely adopted text is recognized as the premier guide to understanding and treating frequently encountered psychological disorders in adults. Showcasing evidence-based psychotherapy models, the volume addresses the most pressing question asked by students and practitioners--How do I do it? Leading authorities present state-of-the-art information on each clinical problem, explain the conceptual and empirical bases of their respective approaches, and show what the techniques look like in action. Extended case examples with session transcripts illustrate each component of treatment. New to This Edition *Incorporates treatment innovations, the latest empirical findings, and changes to diagnostic criteria in DSM-5. *Chapter on acceptance-based treatment of generalized anxiety disorder. *Chapter on comorbid depression and substance abuse, demonstrating a transdiagnostic approach. *Chapter on sleep disorders. See also Handbook of Assessment and Treatment Planning for Psychological Disorders, Third Edition, edited by Martin M. Antony and David H. Barlow, and Clinical Handbook of Psychological Disorders in Children and Adolescents, edited by Christopher A. Flessner and John C. Piacentini.