1968. No Edition Remarks. 259 pages. Pictorial paper cover. Black and white illustrations, photographs, graphs and charts throughout. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking to hinges, inscriptions and mild tanning. Paper cover has mild edge wear with light rubbing and creasing. Some light marking and sunning. Reading creases to spine. Curling to corners. Price sticker to front.