1964. New Impression. 484 pages. Pictorial dust jacket over red cloth. Black and white diagrams throughout. Prize plate on front free endpaper. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine.