1968. Eighth Edition. 331 pages. No dust jacket. Green cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably tanned. Text block edge is moderately foxed. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Book has a slight forward lean. Boards have minor damp and dust stains.