1961. Twenty-Fifth Edition. Unpaginated. No dust jacket. Continued pagination from 1057-2192. Green cloth boards with gilt lettering to spine and front. Colour illustrative plates and Black and white photographic and illustrative plates throughout. Volume 2. 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.