Editions

Spectrum I

Spectrum #1

Spectrum I

Kingsley Amis, Robert Conquest with H. Chandler Elliott (Contributor), Frederik Pohl (Contributor), John Berryman (Contributor), Robert Heinlein (Contributor), Robert Sheckley (Contributor), Stephen Barr (Contributor), Algis Budrys (Contributor), William Tenn (Contributor), Katherine MacLean (Contributor), Clifford D. Simak (Contributor)