1968. First Edition. Unpaginated. Pictorial dust jackets over black cloth with silver lettering. Pictorial slipcase. 2 volume set. Black and white photographic plates. Pages and plates are bright and clear with mild foxing and tanning to text block edges and free endpapers. Binding remains firm in both books. Boards have minor corner bumping and edgewear with mild scuffing overall. Spines have subtle sunning with soft crushing to ends. Lettering remains bright and clear. Books have a slight forward lean. Unclipped dust jackets with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall. Slipcase is moderately scuffed, stained and torn. inside tanned also.