1963. Third Edition. 430 pages. Green pictorial dust jacket over green cloth. Pages are lightly tanned and foxed throughout. Minor pencil inscription to front free endpaper. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Light tanning to spine and edges. Unclipped jacket has moderate edge wear with chips, tears and creasing. Moderate sunning to spine and edges. Scuffing and light marking overall.