New York: Ace Books, 1963. Paperback Original (1st). Original wraps. 4 1/8 X 6 1/2 Inches. 191 PP. Very Good. Item #6297
Paperback original with correct 35 cent price on front cover. Ace Double D-457. Spine remains unbroken! Light wear to edges and folds. Small tear to top of spine. Includes Brunner's The Skynappers.