1951. No Edition Remarks. 942 pages. No dust jacket. Red cloth illustrative boards with black and white lettering to spine. Black and white illustrations, illustrative plates, charts and graphs throughout. Pages and binding are presentable with no major defects. Minor issues present such as mild crinkling and mild tanning. Boards have mild edge wear with light rubbing and crushing. Some light marking and tanning causing discolouration. There is bumping to corners. Book has a slight forward lean.