1956. Seventh Edition. 287 pages. No dust jacket. Green cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front paste-down. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Cloth has minor damp and dust stains. Gilt lettering is darkened. Mild crushing to spine ends. Book has a slight forward lean.