1964. First Edition. 108 pages. No dust jacket. Green and red paper covered boards. Contains black and white diagrams throughout. Pages are lightly tanned, but text and diagrams remain clear. Binding is firm. Previous owner's inscription to front free endpaper. Boards have heavy shelf-wear, with visible corner bumping and noticeable scuffing to edges. Spine is slightly sunned, with heavy scuffing to ends. Moderate rubbing and scuffing overall.