1961. Revised Edition. 192 pages. No dust jacket. This is an ex-Library book. Black cloth with gilt. Library copy, with expected inserts and inscriptions. Includes folding map. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Rear free end paper has suffered some loss. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Cracking to hinges, no damage to end papers. Boards have mild edge-wear with slight rubbing to surfaces. Tape to both boards. Mild crushing to spine ends. Cloth has minor damp and dust stains. Book has a slight forward lean. Gilt lettering is darkened.