1956. Fourth Impression. 268 pages. Plain dust jacket over tan cloth covered boards. Pages have mild tanning and foxing throughout, moderate at end-papers, paste-downs and text-block edges. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Clipped jacket has moderate edge-wear with chips, tears and creasing.