Mary Watkins, Ph.D., is a psychologist in private practice in Littleton, Massachusetts, a teacher at the Pacifica Graduate Institute, Santa Barbara, and the author of Waking Dreams and Invisible Guests: The Development of Imaginal Dialogues. Susan M. Fisher, M.D., is a psychoanalyst and a clinical professor of psychiatry at the University of Chicago, Pritzker School of Medicine, and is also coauthor of To Do No Harm: DES and the Dilemmas of Modern Medicine.