1967. First Edition. 380 pages. Pictorial dust jacket over orange cloth. Black and white photographs and diagrams. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Slight thumb marking in places. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Boards are strongly bowed. Clipped jacket has heavy wear with tears, chipping and creasing. Some rubbing and marking to surfaces.