1953. Revised Edition First Published. 172 pages. Plain dust jacket over blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Front free end paper excised. Binding remains firm. Cracking to hinges, no damage to end papers. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Gilt lettering is bright and clear. Unclipped jacket has light edge-wear with tears and creasing.