Now in a revised and expanded sixth edition, this is the leading text on evidence-based treatments for frequently encountered mental health problems. David H. Barlow has assembled preeminent experts to present their respective approaches in step-by-step detail, including extended case examples. Each chapter provides state-of-the-art information on the disorder at hand, explains the conceptual and empirical bases of intervention, and addresses the most pressing question asked by students and practitioners—"How do I do it?" Concise chapter introductions from Barlow highlight the unique features of each treatment and enhance the book's utility for teaching and training.