1964. 12th Edition. 560 pages. Green dust jacket with black lettering over green cloth. Clean pages. Minimal tanning to endpapers and page edges. Some gutter cracking. Previous owner's inscription stamp to front endpaper. Mild wear and bumping to spine, board edges and corners, with scuffing and soiling to boards. Minor sunning to spine. Unclipped dust jacket. Moderate sunning to spine and edges, with minor staining and soiling to DJ.