1963. No edition remarks. 82 pages. Pictorial dust jacket over brown cloth. Black and white photographs and diagrams. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Small label to front free endpaper. Boards have mild shelf wear with light rubbing and corner bumping. Some mild marking and tanning. Clipped jacket has light edge wear with minor tears, chipping and creasing. Some rubbing and marking to surfaces.