Michael E. Metz, PhD, was a psychologist and marital and sex therapist, and researcher in private practice in Minneapolis/St. Paul, Minnesota. He published over 60 professional articles and 4 books, including Enduring Desire, which received the AASECT 2011 Best Book Award. He was a leading advocate for the integration of couple therapy, sex therapy, and spirituality. He passed away in 2012. This book, Cognitive-Behavioral Therapy for Sex Dysfunction, is a tribute to his professional legacy. Norman B. Epstein, PhD, is a professor of family science at the University of Maryland, College Park and director of the department’s nationally accredited Couple and Family Therapy clinical training program. He is an author or editor of 4 prior books, has published 62 journal articles, and 58 chapters in edited books on aspects of couple and family relationships and therapy, and has presented over 120 research papers and 90 training workshops on couple and family therapy at national and international professional meetings. Barry McCarthy is a professor of psychology at American University, a diplomate in clinical psychology, a diplomate in sex therapy, and a certified couple therapist. He has published over 105 professional articles, 26 book chapters, and 14 books. He has presented over 400 professional workshops nationally and internationally. In 2016, he received the Masters and Johnson award for lifetime contributions to the sex therapy field.