1968. Second Edition. 426 pages. Illustrative jacket over blue cloth. Contains black and white folded maps throughout. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front free endpaper. Light creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Minor tanning to spine and edges. Minimal marks to boards. Unclipped jacket has light edgewear with tears and creasing. Some tanning to spine. Some rubbing to surfaces.