1964. Sixth Impression. 361 pages. Black and yellow dust jacket over blue cloth. Volume I. Pages remain bright and clear with minimal tanning and foxing. Pencil inscription to front free endpaper. Thumb-marking present. Noticeable creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Visible tanning to spine and edges. Brown and white marks overall. Unclipped jacket has moderate edgewear with chips, tears and creasing. Loss to spine ends. Some tanning to spine. Noticeable rubbing to surfaces. Scuffing to edges.