1970. Fourth Impression. 95 pages. Illustrative jacket over green cloth. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Noticeable creasing to gutter. Cracking to gutters, between frontispiece and title page, with exposed netting. Pages remain intact. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Minor tanning to spine and edges. Unclipped jacket has moderate edgewear with chips, tears and creasing. Loss to spine ends and edges. Some sunning to spine. Visible rubbing to surfaces. Scuffing to edges.