1961. Third Impression. 128 pages. No dust jacket. This is an ex-Library book. Illustrated paper covered boards. Pages remain clear with minimal tanning and foxing. Previous owner's inscription to front free end-paper. Thumb-marking present. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Cloth has minor damp and dust stains. Book has a slight forward lean. Moderate tanning to spine. Small hole to paper at spine.