1964. Fifth Revised Edition. 319 pages. Pictorial dust jacket over brown cloth. Contains black and white photographic plates. 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 jacket has heavy edge wear with some areas of loss, heavy tears, chips and creasing. Light sunning to spine and edges.