1961. First Printing. 151 pages. Illustrated paper covers. Minor foxing and heavy tanning to pages. More prominent to text block edges, slightly lighter to reverse of covers. Hinges are lightly cracked but covers remain firmly attached. Mild pencil markings to bibliography pages. Paper covers have light edge-wear and corner curling with noticeable tanning and mild scuffing overall. Spine has similar tanning with minor rolling and creasing.