Two action short stories from "The Golden Age of Science Fiction" by Murray Leinster. Featured here: "From Beyond The Stars", and "The Swamp was Upside Down".
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.