1972. Revised Editon. 191 pages. Pictorial dust jacket over blue cloth. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Unclipped jacket has light edge wear with chips, tears and creasing. Scuffing and light marking overall. Light tanning to spine and edges.