1976. Sixth Impression. 244 pages. No dust jacket, Folio edition with slipcase. Decorative green cloth with green slipcase. Black and white illustrations throughout. Pages are bright and clear with subtle foxing to text block edges. Binding remains firm. Boards have minor corner bumping and edgewear. Spine has light tanning with soft crushing to ends. Lettering remains bright and clear. Slipcase is moderately scuffed, foxed and tanned.