W. E. B. Griffin was the author of seven bestselling series: The Corps, Brotherhood of War, Badge of Honor, Men at War, Honor Bound, Presidential Agent, and Clandestine Operations. He passed away in February 2019.

William E. Butterworth IV has been an editor and writer for more than twenty-five years, and has worked closely with his father for almost a decade on the editing and writing of the Griffin books. He is coauthor of the bestselling novels The Saboteurs, The Double Agents, Death and Honor, The Traffickers, The Honor of Spies, The Vigilantes, The Outlaws, Victory and Honor, Covert Warriors, and The Spymasters. He is a member of the Sons of the American Legion, China Post #1 in Exile; the Office of Strategic Services (OSS) Society; and a life member of the National Rifle Association and the Texas Rifle Association. He lives in Texas.