1966. Revised Editon. 317 pages. Pictorial paper cover. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Slight cracking to rear hinge. Light scuffing to text-block edges. Paper cover has moderate edge wear with scuffing to edges and creasing. Small splits to joints. Book has rolled spine with scuffing. Light tanning to spine and edges. Mild rubbing to surfaces with curling to corners.