1961. Third Edition. 340 pages. Illustrated dust jacket over blue cloth boards. 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. Clipped jacket. Panels and spine have light edgewear with tears and creases. Minor tape repairs to interior jacket. Visible wear marks to spine and panels.