New York: Ace, 1958. Ed Valigursky, Ed Emshwiller. 1st Edition. Soft Cover. Vintage Paperback PBO Ace Double D-331. Sharp First Printings of these Paperback Originals. No month, 1958. $.35 cover price. Square, tight and clean throughout. Some mild edge-wear and a nick to the heel. A few rubs to the..... More