1959. First Ace Books Edition. 159 pages. Paperback book with illustrated cover. Pages are moderately tanned and foxed throughout. Stamp to reverse of front cover. Thumb-marking present. Black marks and water staining to pages throughout. Pulling to covers. Paper covers have moderate edge-wear with curling to corners and rubbing to surfaces. Some tanning to spine and edges. Visible scuffing to edges and front cover. Book has a notable forward lean.