1970. 2nd Edition. 920 pages. No dust jacket. Pictorial paper covered boards. Severe cracking to rear hinges causing rear board to be loose. Pages are lightly tanned throughout. Water staining to text block edges. Pencil inscription to front free endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Wear marks overall.