1950. Fourth Edition. 167 pages. No dust jacket. Beige cloth with pink lettering. Contains black and white illustrated frontispiece, with other plates throughout. Pages are mildly tanned and foxed, but text remains clear. Binding is firm. Previous owner's inscription to half title page. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Spine is moderately tanned, with minimal crushing to ends. Visible dark marks overall.