Author

Mark Tullius

25 books, mostly horror, for Vincere Press and Vincere Press, LLC, 2014–2026

Mark Tullius is an American author whose fiction focuses primarily on horror, science fiction, suspense, and dark fiction. He created the interactive Try Not to Die series and has written novels, short-story collections, and the Brightside and 25 Perfect Days series. He also writes nonfiction about mixed martial arts and traumatic brain injury, including Unlocking the Cage and TBI or CTE.