1956. Second Edition. 125 pages. Blue dust jacket over blue cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. End papers are more notably tanned. Minor pencil marking to front free end-paper. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is darkened. Book has a slight forward lean. Unclipped jacket has heavy edge-wear with some areas of loss, heavy tears, chips and creasing. Moderate tanning to spine.