STEPHEN COONTS is the New York Times bestselling author of more than thirty novels that have been translated and published around the world. His books include The Disciple, The Assassin, and the Deep Black and Saucers series, among many other bestsellers. A former naval aviator and Vietnam combat veteran, he is a graduate of West Virginia University and the University of Colorado School of Law. He lives in Colorado.

Larry Bond is the author of several bestselling military thrillers, including Crash Dive, Cold Choices, Dangerous Ground, Red Phoenix and the Larry Bond’s First Team and Larry Bond’s Red Dragon Rising series. He was a naval officer for six years, serving four on a destroyer and two on shore duty in the Washington DC area. He's also worked as a warfare analyst and antisubmarine technology expert, and he now writes and designs computer games, including Harpoon and Command at Sea. He makes his home in Springfield, Virginia.

David Hagberg (1942-2019) was a New York Times bestselling author who published numerous novels of suspense, including his bestselling thrillers featuring former CIA director Kirk McGarvey, which include Abyss, The Cabal, The Expediter, and Allah’s Scorpion. He earned a nomination for the American Book Award, three nominations for the Mystery Writers of America Edgar Allan Poe Award and three Mystery Scene Best American Mystery awards. He spent more than thirty years researching and studying US-Soviet relations during the Cold War. Hagberg joined the Air Force out of high school, and during the height of the Cold War, he served as an Air Force cryptographer.