1963. Second Edition. 506 pages. No dust jacket. This is an ex-Library book. Green cloth covered boards with gilt. Library copy, with expected inserts and inscriptions. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Some occasional mild cracking to gutters throughout,. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Cloth has minor damp and dust stains.