1962. Third Edition. 156 pages. Illustrated paper covers. Moderate foxing and tanning to pages. More prominent to text block edges and reverse of covers. Noticeable water staining to reverse of rear cover. Hinges are lightly cracked but covers remain firmly attached. Paper covers have light edge-wear and corner curling with noticeable staining, tanning and scuffing overall. Spine has minor rolling and creasing.