From Wikipedia:"Michael Newton (born 1951) is an American author best known for his work on Don Pendleton's Mack Bolan series. Newton first began work on the Executioner series by co-writing "The Executioner's War Book" with Don Pendleton in 1977. Since then he has been a steady writer for the series with almost 90 entries to his credit, which triples the amount written by creator Don Pendleton. His skills and knowledge of the series have allowed him to be picked by the publishers to write the milestone novels such as #100, #200, and #300.Writing under the pseudonym Lyle Brandt, Michael Newton has also become a popular writer of Western novels. He has written a number of successful non-fiction titles as well, including a book on genre writing (How to Write Action Adventure Novels). His book Invisible Empire: The Ku Klux Klan in Florida won the Florida Historical Society's 2002 Rembert Patrick Award for Best Book in Florida History. Newton's "Encyclopedia of Cryptozoology" won the American Library Association's award for Outstanding Reference Work in 2006."Pen names: Lyle Brandt, Don Pendleton, Jack BuchananBibiliography available here.