Celebrities often employ ghostwriters to produce autobiographies. Ghostwriters are employed by fiction publishers for several reasons. The books themselves were written by several ghostwriters under the collective pseudonym Franklin W. Dixon. Trump made a practice of hiring ghostwriters and co-authors to write his books. He published several books, notably dictating to ghostwriters about his wartime experiences. Many titles were also written by ghostwriters. Tom's adventures have been written by various ghostwriters, beginning with Howard Garis. A number of papal encyclicals have been written by ghostwriters. Several of Hillary Clinton's books were also produced by ghostwriters. Many of the novels from the #25-#52 range were written by ghostwriters. Cohen worked for many years with musician Jeff Cain in their group The Ghostwriters. Two of John F. Kennedy's books are almost entirely credited to ghostwriters. Curnonsky was one of his ghostwriters, as was his fellow gastronomist Marcel Boulestin. The series was created by Edward Stratemeyer, and written by several ghostwriters in its duration. Shepherd played with Ghostwriters on their albums "Ghostwriters" (1991) and "Fibromoon" (1999).