1967. 27th Impression. 431 pages. Pictorial dust jacket over green cloth. Black and white illustrations throughout. Binding remains firm. Pages and illustrations are lightly tanned throughout. Paper stuck to rear pastedown. Water staining to top edge of text block. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Clipped jacket has moderate edgewear with chips, tears, and creasing. Water staining to spine. Light tanning to spine and edges.