1951. First Edition. 917 pages. No dust jacket. Black cloth with gilt lettering to spine. Volume IV. Contains black and white fold out maps. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning.