Uniquely practical and comprehensive, this timely guide addresses a problem that is on the rise, particularly among adolescents and young adults. Practitioners gain a wealth of knowledge about the variety and causes of self-injurious behavior and how to recognize it in people at risk, ranging from those who do not have psychiatric diagnoses to those with eating or mood disorders, PTSD, personality disorders, or psychoses. Presented are clear guidelines for assessing clients and conducting evidence-based interventions using replacement skills training, cognitive-behavioral therapy, exposure treatment, psychopharmacology, and family - and school-based strategies. Detailed case examples are featured throughout, and appendices offer essential clinical resources and tools.