1972. Revised Edition. 259 pages. Pictorial dust jacket over blue cloth with gilt lettering. Black and white illustrations throughout. Pages are bright and clear with mild tanning to text block edges. Pages 203-6 slightly dog-eared. Binding remains firm. Boards have minor corner bumping and edgewear. Spine has light sunning with soft crushing to ends. Lettering remains bright and clear. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate sunning and scuffing overall.