Publisher's Synopsis
Murray Leinster was a nom de plume of William Fitzgerald Jenkins, an award-winning American writer of science fiction and alternate history. He wrote and published more than 1,500 short stories and articles, 14 movie scripts, and hundreds of radio scripts and television plays. He began his career as a freelance writer before World War I but during and after he began appearing in pulp magazines, with his first science fiction story, The Runaway Skyscraper being published in Argosy. Joe had helped launch the first Space Platform-that initial rung in man's ladder to the stars. But the enemies who had ruthlessly tried to destroy the space station before it left Earth were still at work. They were plotting to destroy Joe's mission!