?In this new book, the successor to the classic in the field Counseling Lesbian, Gay, Bisexual, and Transgender Substance Abusers: Dual Identities by Dana G. Finnegan and Emily B. McNally, Michael Shelton reviews the empirical literature and synthesizes what we know about the prevalence of LGBT substance use, abuse, and treatment availability, emphasizing the need for affirmative therapeutic practices. The principles of trauma-informed and culturally competent treatment/intervention are explained and assessed, as well as the challenges of minority stress and microaggressions experienced by the LGBT population. Separate sections focus on the sub-populations of lesbians, gay men, bisexuals, and transgender individuals. Separate chapters focus on LGBT youth, the elderly, family constellations and concerns, criminal justice issues, and rural LGBT substance abuse. This volume provides an introduction to the field that will be useful both as a primary textbook and as a handbook/reference for LGBT-focused and general substance-use disorder clinics and their administrators, clinicians, trainees, allies and volunteers.