Martin Roy Hill is the author of the Peter Brandt and Linus Schag mystery thriller series, EDEN: A Sci-Fi Novella, and  the award-winning short story collection, DUTY: Suspense and Mystery Stories from the Cold War and Beyond. His novel, The Butcher's Bill, a Linus Schag, NCIS, thriller, was named the 2017 Best Mystery/Suspense Novel by the Best Independent Book Awards.

Martin spent more than 20 years as a staff reporter and editor for newspapers and magazines, before becoming a military analyst specializing in battlefield medical operations for the Navy. His freelance credits include Reader's Digest, LIFE, Newsweek, Omni, American History, Coast Guard Magazine, Retired Officer Magazine, the Los Angeles Times Sunday Opinion Section, and many more.

Much of Martin's freelance work involves historical topics, especially military history. He was a lead contributor to the 1995 WWII anthology, "From Pearl Harbor to Nagasaki: America at War," published by the Retired Officer Association (now called the Military Officer Association. He was also a contributor to the Civil War anthology, "Gettysburg: Three Days that Saved the United States," published by I-5 Publishing.

Martin's short stories have appeared in such publications as Alfred Hitchcock Mystery Magazine, Alt Hist: The Magazine of Historical Fiction and Alternate History, Mystery Weekly, Nebula Rift, Devolution Z, and others.

A 27-year veteran of the U.S. Coast Guard and Navy Reserves, and the California National Guard, Martin has also served on a sheriff's wilderness search and rescue team, and on two disaster response teams. He lives in La Jolla, CA.