1975. First Edition. 131 pages. Pictorial dust jacket over blue cloth. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout. Light thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Mild sunning to spine and edges. Unclipped jacket has light edge wear with chips, tears and creasing. Rubbed marking to surfaces. Light tanning to spine and edges.