1964. Reprinted. 151 pages. Illustrated dust jacket over green cloth with gilt lettering. Diagrams by J. Pezare. 8 plates. Signed by the author with dedication to front free endpaper. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Pen inscription to front free endpaper. Boards have mild edge-wear with slight rubbing to surfaces. Gilt lettering to spine is bright and clear. Unclipped jacket has light edgewear with tears and creasing.