1984. Third Printing. 270 pages. Pictorial dust jacket over yellow cloth. Black and white diagrams. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name to front free endpaper. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Unclipped jacket has heavy edge wear with tears, chipping and creasing. Spine noticeably sunned.