1966. No Edition Remarks. Unpaginated. No dust jacket. Blue cloth boards with gilt lettering. Separate sections individually paginated. Volume VI. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Thumb-marking present. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing to spine ends. Gilt lettering is bright and clear. Minor wear marks to boards.