1951. Revised Edition. 428 pages. Pictorial dust jacket over blue cloth with gilt lettering. Modernized spelling. 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. Unclipped dust jacket with moderate rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.