1959. New Impression. 360 pages. Pictorial dust jacket over brown cloth. Black and white diagrams throughout. Pages remain bright and clean with minimal tanning and foxing. Some cracking to gutters with exposed netting. Binding loose. Minor pencil inscriptions to front free endpaper. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. Book has slight forward lean. Unclipped jacket has heavy edge wear with tears, chipping and creasing.