1970. Second Impression. 112 pages. Pictorial paper cover. Contains black and white in-text illustrations. Pages are moderately tanned and foxed throughout. Occasional thumb-marking present. Slight cracking to both hinges. Light scuffing to text-block edges. Paper cover has mild edge wear with scuffing to edges and creasing. Book has rolled spine with creasing. Light tanning to spine and edges. Mild rubbing to surfaces with curling to corners.