1970. Reprinted. Unpaginated. Pictorial paper cover. Pictorial paper covered slipcase. Two volume set, each paginated separately. Contains colour photographic plates. Pages and plates remain clear with minimal tanning and foxing throughout. Slight cracking to hinges. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Slight scuffing to spine ends. Slipcase has moderate edge wear with markings to panels and scuffing to edges. Some sunning to edges. Small price sticker to top edge.