1966. Fourth Edition. 282 pages. No dust jacket. Blue cloth boards with red lettering to spine. Black and white illustrations, photographs and plates throughout. Pages and binding are presentable with no major defects. Minor issues present such as inscriptions, mild crinkling, occasional foxing and light tanning. Boards have mild edge wear with light rubbing and crushing. Some light marking and tanning causing discolouration. Lettering is bright and clear. Boards are bowed. Book has a slight forward lean.