1957. Fiftieth Revised & Enlarged Edt. 242 pages. No dust jacket. Green cloth boards with gilt lettering. Contains black and white 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.