 Caspary made it a practice only to accept jobs of adaptation; she found it more creative and fun, as in the case of John Klempner's book "Letter to Five Wives", filmed under the title "A Letter to Three Wives".To streamline the film, one wife was eliminated by Caspary, and when the script reached production, Joseph L. Mankiewicz removed another one.Due to a loophole in the Academy Awards nomination rules, Mankiewicz alone was nominated and won the Oscar for Best Screenplay.