1966. First Edition. 305 pages. Pictorial dust jacket over green cloth. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Light pen marking and brown rubbed marking to text-block edges. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Dark rubbing and marking to surfaces, with scuffing to edges and small splits to joints. Light tanning to spine and edges.