Original post here. Image is a cover of Super Science Stories (April 1949) and contains the text “Super Science Stories. The big book of science fiction. I, Mars, by Ray Bradbury. The Earth Killers, a novel of world’s tomorrow by A.E. Van Vogt. F. Orlin Tremain, John D. Macdonald, and many others.” Sourced to inkycurves via xxxelasetchbook and provenanced by spicyhorror.