1966. First Published in GB. 292 pages. No dust jacket. Marbled grey paper covered boards with blue cloth spine. Gilt lettering. Contains black and white diagrams. 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 darkened.