1966. Fifth impression. 204 pages. Pictorial dust jacket over yellow cloth. Black and white diagrams throughout. 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 tears, chipping and creasing. Heavy scuffing to front. All surfaces tanned.