Dr. Weinberg is the author or editor of four books (two monographs and two edited volumes). He is Associate Editor of Ethnographic Studies and Sexuality & Culture and a referee for the Journal of Sexual Medicine.  He is a contributor to The Routledge Handbook of Deviant Behavior, edited by the late Clifton Bryant (2012). Dr. Weinberg is currently working with data gathered from a sample of sadomasochists, who were interviewed about their coming-out experiences. Gerhard Falk is Professor of Sociology at SUNY-Buffalo State University. He has written, co-authored or edited 24 books, and published more than 40 journal articles, on subjects as diverse as the American criminal justice system, political assasination and terrorism, deviant behavior by health care workers, inventions that changed American society, and fraudulant behavior by scientists, researchers, and scholars. Ursula Falk is psychotherapist in private practice, with many years of experience working with substance abusers. Her work on the book will be limited to the proposed micro-level cases studies of individuals with substance abuse problems.