Randall Garrett contributed hundreds of short stories to various science fiction magazines of the 1950s and 1960s and published dozens of books under a variety of pseudonyms. He is probably best known for his alternative history LORD DARCY series. He is the author of Anything You Can Do, Brain Twister, Occasion for Disaster, Out Like a Light, Pagan Passions, Supermind, That Sweet Little Old Lady, The Impossibles, and Unwise Child.