1959. First Edition. 142 pages. Pictorial dust jacket over green cloth. Black and white photographs and diagrams. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Boards have mild shelf wear with light rubbing and corner bumping. Some moderate marking and tanning. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Spine noticeably sunned. Some rubbing and marking to surfaces.