1974. Eleventh Edition. 323 pages. No dust jacket. Blue cloth covered boards with gilt. Laminated. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Small stain to the fore edge of first few pages. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Book has a slight forward lean. Board corners are bumped.