Robert Ludlum was the author of 25 thriller novels, including The Bourne Identity, The Bourne Supremacy and The Bourne Ultimatum—the books on which the international hit movies were based—and The Sigma Protocol. He was also the creator of the Covert-One series. Born in New York City, Ludlum received a B.A. from Wesleyan University, and before becoming an author, he was a United States Marine, a theater actor and producer.
Patrick Larkin is the author of The Tribune, as well as the co-author of five best-selling thrillers with Larry Bond, including Red Phoenix and The Enemy Within. A graduate of the University of Chicago, he lives in northern California with his wife and two children.