1891. Fourth Edition, Revised. 907 pages. Half bound green leather with marbled paper covered boards. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Cracking to front hinge. Light scuffing to text-block edges. Binding remains firm. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Leather peeling to all surfaces, with noticeable scuffing and scratches overall. White marking to spine and boards. Notable tanning to spine and edges. Splits to spine joints. Black marks to front board and scuffed loss. Book has a slight forward lean.