8vo - 20.5 x 13.5 cm.; 266 pp. First published in 1954 by Bobbs-Merrill, this is the later softcover edition. From the front cover: "A searching investigation by a world-famed psychoanalyst into the sexual practices of modern American men and women, examining changes in marital and family relations, sexual inhibitions, feminism and the flight from masculinity". Previous owner's name on the first page, mild shelf wear to the covers.