1960. Seventh Printing. 178 pages. No dust jacket. Blue cloth. Contains ex-libris sticker to front pastedown. Pages are bright and clear with no visible markings. Binding throughout remains firm. Previous owner's inscription to front pastedown and endpaper. Boards have light shelf-wear with corner bumping. Mild sunning to spine, which has mild crushing and wear to ends. Mild scuffing to joints. Droplet to front board. Books has a backward lean.