1964. Eighteenth Impression. 380 pages. Illustrated dust jacket over green cloth covered boards with gilt. Pages remain clear with minimal tanning and foxing. Cracking to hinges, no damage to end papers. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Gilt lettering is bright and clear. Book has a slight forward lean. Unclipped jacket Moderate tanning to spine. has light edge-wear with tears and creasing. Moderate tanning to spine.