1968. First Edition. 354 pages. Pictorial dust jacket over blue cloth. Pages are bright and clear with no visible markings. Binding throughout remains firm. Light tanning to endpapers. Pencil inscription to front endpaper. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Panels have light edge wear with some creases. Minor markings to all surfaces. Notable yellow staining to rear panel.