1968. Fourth Impression. 359 pages. Illustrative jacket over blue cloth. Contains black and white illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Visible creasing to gutter. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Visible tanning to spine and edges. Bleaching to edges. Water staining to rear board. Unclipped jacket has moderate edgewear with chips, tears and creasing. Loss to spine ends. Visible tanning to spine. Notable rubbing to surfaces.