1968. Fourth Impression. 194 pages. Blue dust jacket over green cloth. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front free endpaper. Thumb-marking present. Visible creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Dents to edges. Small marks to boards. Textblock is shaky. Unclipped jacket has moderate edgewear with chips, tears and creasing. Loss to spine ends. Noticeable tanning to spine. Visible rubbing to surfaces. Scuffing to edges.