1970. Science Fiction Book Club. 191 pages. Black dust jacket over black cloth. Pages remain bright and clear with minimal tanning and foxing. Thumb-marking present. Light creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Minor crushing to spine ends. Minimal marks to boards. Unclipped jacket has moderate edgewear with chips, tears and creasing. Some tanning to spine. Visible rubbing to surfaces. Scuffing to edges.