Joshua Hood is the author of Warning Order and Clear by Fire. He graduated from the University of Memphis before joining the military and spending five years in the 82nd Airborne Division. On his return to civilian life he became a sniper team leader on a full-time SWAT team in Memphis, where he was awarded the lifesaving medal. Currently he works as the Director of Veteran Outreach for the American Warrior Initiative.

Robert Ludlum was the author of twenty-seven novels, each one a New York Times bestseller. There are more than 225 million of his books in print, and they have been translated into thirty-two languages. He is the author of the Jason Bourne series—The Bourne Identity, The Bourne Supremacy, and The Bourne Ultimatum—among other novels. Mr. Ludlum passed away in March 2001.