1967. English Translation. 166 pages. Pictorial dust jacket over green cloth with gilt lettering. Contains black and white plates throughout. Binding remains firm. Pages remain bright and clear. Small pencil inscriptions to front free end paper. Slight foxing to top of text block. Boards have light shelf-wear. Gilt lettering is bright and clear. Several white stains to boards. Minimal crushing to spine ends. Unclipped jacket has light edgewear with tears and creasing with a small area of loss. Brown staining. Tanning to the top inside area of jacket.