1952. Reprinted. 480 pages. Pictorial dust jacket over red cloth. Black and white diagrams throughout. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Dedication to front free endpaper. Boards have mild shelf wear with light rubbing and corner bumping. Some light marking and sunning. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine.