Amazing Stories Volume 138 is a great collection of action short stories from "The Golden Age of Science Fiction". Featured here are two short stories by Murray Leinster: "The Disciplinary Circuit", and "The Manless Worlds", and one story by Margaret St. Clair: "Piety".
Murray Leinster (June 16, 1896 – June 8, 1975) was a pen name of William Fitzgerald Jenkins, an American writer of genre fiction, particularly of science fiction. He wrote and published more than 1,500 short stories and articles, 14 movie scripts, and hundreds of radio scripts and television plays.