1956. Twenty-third Impression. 491 pages. No dust jacket. Red cloth boards with gilt lettering. 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. Gilt lettering is bright and clear.