1956. First Edition. 214 pages. Pink jacket over blue cloth. Contains black and white diagrams throughout. Pages are mildly tanned and foxed, but text remains clear. Binding is firm. Previous owner's inscription to front free endpaper. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine ends are slightly crushed. Light rubbing and scuffing overall. Unclipped jacket. Noticeable tanning to all surfaces, most prominent to spine and edges. Moderate edgewear to spine and panels with noticeable chips and rips.