Feb 1956. Volume 56, Issue 6 - 1st printing. Science fiction stories by Robert Heinlein ("Double Star" part 1), Mark Clifton, Dean McLaughlin, Paul Janvier, Reg Rhein, and Christopher Anvil. Illustrations by Freas, Emsh, and van Dongen. Cover by Frank Kelly Freas. Softcover, 5.5-in. x 7.75-in.; 160 newsprint pages, B&W.
Cover price $0.35.