1963. Thirteenth Impression. Unpaginated. No dust jacket. Off white cloth covered boards. Pages are moderately tanned throughout, heavier at end-papers, paste-downs and text-block edges. Minor pencil marking to front free end-paper. Some occasional mild cracking to gutters throughout however binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Moderate tanning to spine.