This widely adopted text offers practical guidance for working with substance abusers and their families in a variety of clinical contexts. Expert contributors present major assessment and treatment approaches together with detailed recommendations for intervening with specific substances and meeting the needs of different populations. Throughout, helpful case vignettes illustrate how to translate the ideas presented into practice and overcome common stumbling blocks. Practitioners and students will find all the information needed to stay current in the field in this authoritative, comprehensive, and highly accessible work.