In this important book Judith M. Hughes makes a highly original case for conceptualizing gender identity as potentially multiple. She does so by situating her argument within the history of psychoanalysis. Hughes traces a series of conceptual lineages, each descending from Freud. In the study Helene Deutsch, Karen Horney, and Melanie Klein occupy prominent places. So too do Erik H. Erikson and Robert J. Stoller. Among contemporary theorists...