1970. Twenty-eighth Edition. 284 pages. No dust jacket. Blue cloth boards with lettering. Prize plate stuck to front free endpaper. 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.