1961. First Edition. 567 pages. No dust jacket. Blue cloth boards with gilt lettering. Ex libris label. Slight crinkling to gutters however binding remains firm. Pages remain bright and clear with minimal tanning and foxing. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight crushing and fraying to spine ends. Gilt lettering is bright and clear. Visible wear marks to boards.