Contents: Preface. Might as Well Face It, There's Addiction Among Your Clients. A Model for Therapy When Clients Indicate Substance Abuse. The Changing Relationship of the Mental Health and Addictions Treatment Fields. The Types, Actions, and Effects of Psychoactive Substances. Assessment for Substance Use Disorders. Planning Treatment Across the Course of Therapy for Substance Use Disorders. Psychoeducation in Substance Abuse Therapy. Relapse Prevention Strategies. Interventions to Address Problems Linked to the Client's Substance Abuse. Terminating Therapy With Substance Abuse Clients. Appendices.