Complex sentence: Jim Mullaney (born James Mullaney) is an American writer, ghostwriter, and later credited writer; of 26 novels in "The Destroyer" paperback-novel series.
Split into simpler sentences: Jim Mullaney (born James Mullaney) is an American writer. Mullaney was ghostwriter and later credited writer of 26 novels in "The Destroyer" paperback-novel series.