London: 1946. hardcover. 206pp. Small 8vo, blue cloth. London: Imago, 1946. Very good (+). very good(+).
Reissue of the first edition (Vienna, 1936) of her most famous work, with its classic exposition of the ego's defenses. "A systematic and lucid description of these defense mechanisms", Alexander and Selesnick, The History of Psychiatry 198.