1975. 11th Edition. 110 pages. Pictorial dust jacket over green cloth. Colour maps throughout. Binding remains firm. Pages and maps are lightly tanned throughout. Pencil inscription to front free endpaper. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Clipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light tanning and water staining to spine and edges.