1953. Third Edition. 164 pages. No dust jacket. This is an ex-Library book. Blue cloth covered boards with gilt. Library copy, with expected inserts and inscriptions. Pages remain clear with minimal tanning and foxing. Some occasional mild cracking to gutters throughout, binding remains reasonably firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Cloth has minor damp and dust stains. Mild crushing to spine ends. Book has a slight forward lean. Minor fraying to cloth at spine ends. Gilt lettering is darkened. Sunning to spine.