Manly Wade Wellman

Half Around Pluto

The invading asteroid

ALL WERE MONSTERS

Timeless Tomorrow

Gigantes desde la eternidad

Gigantes desde a eternidade

The Science Fiction Collection

Lost Sci-Fi Books 486 thru 490: Asteroids, Strange Discoveries, and Impossible Encounters

1940s Science Fiction 6: Space Explorers, Cosmic Mysteries, Time Paradoxes and Alien Worlds

Beyond the Stars 10: Classic Science Fiction Adventures: Explore Strange Worlds Beyond the Final Frontier

50 Vintage Sci-Fi Short Stories 10: More Than 25 Hours of Classic Science Fiction: Legendary Authors. Timeless Stories. Endless Imagination.

Vintage Sci-Fi 22 - 27 Classic Science Fiction Short Stories from H. P. Lovecraft, Arthur C. Clarke, H. G. Wells, Robert Silverberg, Nelson S. Bond, Brian W. Aldiss and more: A Grand Tour of Monsters, Martians, and Mind-Benders From the Golden Age