Tom Clancy was the author of more than eighteen #1 New York Times bestselling novels. His first effort, The Hunt for Red October, sold briskly as a result of rave reviews, then catapulted onto the bestseller list after President Reagan pronounced it "the perfect yarn." Clancy was the undisputed master at blending exceptional realism and authenticity, intricate plotting, and razor-sharp suspense. He died in October 2013. Grant Blackwood is the New York Times bestselling author of the Briggs Tanner series (End of Enemies, Wall of Night and Echo of War). He is coauthor of the #1 New York Times bestseller Dead or Alive, with Tom Clancy, and of the new thriller The Kill Switch, with James Rollins. A U.S. Navy veteran, Grant spent three years aboard a guided missile frigate as an Operations Specialist and a Pilot Rescue Swimmer. He lives in Arizona, where he is working on his own stand-alone series starring a new hero. From the Paperback edition.