1969. Tenth Impression. 224 pages. Paperback book with illustrated cover. Pages are moderately tanned and foxed throughout. Thumb-marking present. Brown and yellow staining to pages throughout. Pulling to covers. Binding remains firm. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Some tanning to spine and edges. Visible scuffing to edges. Slight tearing to spine ends. Book has a visible forward lean.