1969. Fifth Printing. 555 pages. Black dust jacket over black cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Binding remains firm. Minor pencil marking to front free end-paper. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Further dust marking to top edge of both boards. Unclipped jacket has light edge-wear with tears and creasing.