1956. Eleventh Printing. 251 pages. Pictorial paper cover. Contains black and white photographic plates. Pages and plates are lightly tanned and foxed throughout. Light thumb-marking present.Light scuffing to text-block edges. Binding remains firm. Paper cover has mild edge wear with scuffing to edges and creasing. Small splits to joints. Book has rolled spine. Light tanning to spine and edges. Mild rubbing to surfaces with curling to corners.