1963. Fourth, Revised Edition. 233 pages. No dust jacket. Brown cloth with gilt. Contains in-text monochromatic illustrations throughout. Pages remain clear with minimal tanning and foxing, mild to end-papers and text-block edges. Previous owner's inscription to front paste-down. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Cloth has minor damp and dust stains.