1961. Twenty-Fifth Edition. 2192 pages. No dust jacket. Green cloth boards with gilt lettering to spine and front. Volume 1. Black and white illustrative and photographic plates. Colour illustrative plates and maps throughout. Pages and binding are presentable with no major defects. Minor issues present such as mild tanning. Boards have mild edge wear with light rubbing and crushing. Some light marking and tanning. Gilt lettering is darkened. There is bumping to corners. Book has a slight forward lean.