Lester del Rey (1915 - 1993) was an American science fiction author and editor. He was the author of many books in the juvenile Winston Science Fiction series, and the editor at Del Rey Books, the fantasy and science fiction imprint of Ballantine Books, along with his fourth wife Judy-Lynn del Rey. He was associated with the most prestigious science fiction magazine of the era, Astounding Science Fiction. In this book: The Sky Is Falling Dead Ringer Badge of Infamy Let'em Breathe Space No Strings Attached Pursuit Victory