1968. Fourth Impression. 127 pages. Pictorial dust jacket over blue cloth. Black and white photographic plates. Minor tanning to otherwise clear pages and plates. More prominent to text block edges, lighter to pastedowns and free endpapers. Pen inscription to front free endpaper. Binding remains firm. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has similar tanning with soft crushing to ends. Book has a slight forward lean. Clipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.