1964. Reprinted. 148 pages. Pictorial dust jacket over blue cloth. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Minor pencil inscriptions to front free endpaper. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Boards are slightly bowed. Clipped jacket has heavy wear with tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine. Tape repairs to inside.