1961. First Edition. 797 pages. Green dust jacket over green cloth. Contains black and white in-text illustrations. Pages remain bright and clear with minimal tanning and foxing. Occasional thumb-marking present. Faint pencil inscription to front free endpaper. Light scuffing to text-block edges. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Scuffing and light marking overall. Light tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Slight loss to edge of rear panel. Mild rubbing and marking to surfaces, with scuffing to edges and small splits to joints. Notable sunning to spine and edges.