1963. Fourth Impression. 382 pages. Illustrated dust jacket over green cloth covered boards with gilt. 4 Plates in Full Colour. 150 Photographic Illustrations and Diagrams. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Previous owner's inscription to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Gilt lettering is darkened. Mild crushing to spine ends. Book has a slight forward lean. Clipped jacket has moderate edge-wear with chips, tears and creasing. Laminate is peeling.