1970. Third Edition. 470 pages. Brown and blue dust jacket over blue cloth. Contains black and white illustrations and plates throughout. Book 2. Pages remain bright and clear with minimal tanning and foxing. Previous owner's inscription to front free endpaper and pastedown. Thumb-marking present. Annotations and marginalia to pages throughout. Noticeable creasing to gutter. Cracking to gutters, with exposed netting. Boards have mild edge-wear with slight rubbing to surfaces. Visible crushing to spine ends. Noticeable tanning to spine and edges. Brown marks to edges. Textblock is shaky. Unclipped jacket has heavy edgewear with some areas of loss, heavy tears, chips and, creasing. Visible tanning to spine. Noticeable rubbing to surfaces. Scuffing to edges. Pen marks to panels.