1961. 69th edition. 414 pages. Illustrated dustjacket over green cloth. Supplement map to front. Black & white illustrations. Pages remain bright and clear with minimal tanning and foxing. Pen inscription to front endpaper. Map has creasing. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Spine has crushing to both ends. Book has forward lean. Water marking to edges of board. Clipped jacket has light edgewear with tears and creasing. Jacket has moderate tanning.