1965. Fourth Edition. 158 pages. Yellow dust jacket over brown cloth. Pages are moderately tanned and foxed throughout. Pencil inscription to front free endpaper. Noticeable creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Water staining to rear board. Dents to edges. 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.