Mack Reynolds

The Science Fiction Omnibus #2 (Serapis Classics)

The Science Fiction Omnibus #1

Mercenary

Border, Breed Nor Birth

Black Man's Burden

Adaptation

Science Fiction Grand Masters 3

Lost Sci-Fi Books 371 thru 375: Five Classic Tales of Strange Worlds and Dark Consequences

Aliens and Nothing But Aliens 5 - Seventeen Lost Sci-Fi Short Stories from the 1930s, 40s, 50s and 60s: Otherworldly Creatures, Cosmic Encounters, And Alien Mysteries From The Golden Age Of Sci-Fi

Time Travel and Nothing But Time Travel 2: Twenty-Three Classic Journeys Through Time Where One Small Change Can Rewrite History

50 Vintage Sci-Fi Short Stories 8

Vintage Sci-Fi 17 - 17 Classic Science Fiction Short Stories from Arthur C. Clarke, Jack London, H. P. Lovecraft, Edgar Allan Poe, Harlan Ellison, H. G. Wells, Clifford D. Simak, and many more