In the decade-and-a-half since I coedited Transsexualism and Sex Reassignment (Green & Money, 1969), remarkable changes have occurred with Harry Ben- jamin's "transsexual phenomenon" (1966). Formerly, when writing about this condition in scientific journals, it was necessary to define the term transsex- ualism. Now the lay public recognizes it. Even the American Psychiatric Asso- ciation acknowledges it as a "disorder," with its inclusion in the Third...