The book is designed for students and clinicians who come in contact with and treat individuals and families struggling with the causes and consequences of substance use, disorders, and addiction. The updated Second Edition presents a refreshing blend of ancient and contemporary ideas on the natural pleasures and potential powers of alcohol and drugs in our everyday individual and collective lives. This edition emphasizes each person’s unique relationship with both substances and non-substance-related behaviors of pleasure. The user-friendly approach to serious content encourages active participation in the learning experience and is designed to have a personal, professional, educational and treatment impact.