1967. Sixth Impression. 138 pages. Illustrated dust jacket over green cloth with gilt lettering to spine. Pages remain bright with minimal tanning and foxing. Heavier to text block edges. Text is clear. Binding remains firm. Boards have mild edge-wear with bumping to corners. Visible crushing to spine ends. Gilt lettering is bright and clear to front board & spine. Unclipped jacket. Panels have moderate edge wear with chips, tears, and creasing.