LT. COL. ANTHONY SHAFFER, retired, is a Bronze Star Medal recipient and a CIA-trained senior intelligence operations officer with more than twenty-five years of experience in the intelligence community. He is a Senior Fellow and Special Lecturer at the Center for Advanced Defense Studies in Washington, D.C., and author of the New York Times bestselling memoir Operation Dark Heart.
William H. Keith is the author of more than one hundred and fifty titles, including short stories, nonfiction, and ninety-one novels. His work includes geopolitical technothrillers, historical military fiction, alternative military history, and military science fiction. A former navy hospital corpsman, he lives in western Pennsylvania.