New York: Ace Books, 1959. Ed Emshwiller / Ed Valigursky. 1st Edition. Soft Cover. Vintage Paperback. PBO Ace D-369 Sharp First Printing of these Paperabck Originals. No month, 1959. $.35 cover price. Square, tight and clean throughout with just a touch of page toning. Moderate edge-wear and rubbing to spine..... More