1964. 4th Edition. Unpaginated. No dust jacket. Signed by the author. Cream cloth covered boards with gilt. Contains black and white photographic plates. Flat signed by author to title page. Separately paginated chapters. Pages remain clear with minimal tanning and foxing. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Cloth has minor damp and dust stains.