1997. Commemorative Edition. 31 pages. Paperback book with pictorial cover. Contains black and white and colour illustrations throughout. September 8 1997. Pages are moderately tanned and foxed throughout. Thumb-marking present. Notable fold line throughout. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Slight tanning to spine and edges. Some light marks and scratches to covers. Visible fold lines throughout.