1955. Fifth Edition. 724 pages. Pictorial dust jacket over black cloth. Black and white maps throughout. Volume I. Binding remains firm. Pages are lightly tanned throughout. White stain to text block edges. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light tanning to spine and edges. Wear marks overall.