1960. Revised and Enlarged Edition. 672 pages. No dust jacket. Blue cloth boards with gilt lettering to spine. Binding remains firm. Crinkling to gutters. Pages remain bright and clear with minimal tanning. Hinges are cracked with netting exposed. Back hinge heavier. Boards have mild edge wear with slight rubbing to surfaces. There is bumping to corners and crushing to spine ends. Tanning to spine and edges causing discolouration. Gilt lettering is darkened. Book has a slight forward lean.