1968. XIXth Edition. 955 pages. Red dust jacket over orange cloth. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Notable creasing to gutter. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Light crushing to spine ends. Some tanning to spine and edges. Bleaching to spine ends. Marks overall. Textblock is shaky. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips and, creasing. Visible tanning to spine. Notable rubbing to surfaces. Scuffing to edges.