1968. Fifth Edition, Reprinted. 200 pages. Blue dust jacket over blue cloth. Contains black and white in-text illustrations. 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. Mild tanning to spine and edges. Scuffing to spine.