No Edition Stated. 371 pages. No dust jacket. Purple cloth with black decoration. Contains black and white diagrams throughout. Vol. II. Pages are moderately tanned, but text remains clear. Binding is firm. Paper remnants to front pastedown. Boards have heavy shelf-wear, with visible corner bumping and noticeable scuffing to edges. Spine ends are moderately crushed and slightly split. Light rubbing and scuffing overall, heavier to rear board. Minor forward lean.