This widely used clinical reference and text--now significantly updated with 75% new material reflecting therapeutic advances, diagnostic changes, and increased coverage of sexual minority groups--comprehensively addresses sexual problems and their treatment. Prominent contributors interweave theory, research, and clinical considerations. Detailed case examples illustrate the process of assessment and intervention with individuals and couples across the lifespan, with attention to gender-related, cultural, and health concerns. The volume features an integrative introduction and conclusion, plus an instructive editorial commentary at the beginning of each chapter. New to This Edition* Many new authors and extensively revised chapters.* Coverage of advances in sexual medicine, ICD-11 diagnostic changes, and other timely topics.* Chapters on sexual aversion, female sexual arousal disorder, and out-of-control sexual behavior.* Chapters on the transition to parenthood and the treatment of sexual concerns in the BDSM community and adult transgender clients.* Chapters on additional medical issues: cancer and spinal cord injury.