1967. Third Revised Edition. 253 pages. Photographic dust jacket over blue cloth with gilt lettering. Colour photographic frontispiece. Black and white and colour photographic plates throughout. Light tanning to pages and text block edges. Binding remains firm. Boards have minor corner bumping and edgewear with mild sunning overall. Spine has minor sunning with soft crushing to ends. Lettering remains bright and clear. Clipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.