The Russian bear is stirring—and it’s hungry— in the #1 New York Times–bestselling series’ thrilling fifth novel.The first disturbing reports reached Delta Force Lieutenant Colonel Charley Castillo in the form of backchannel messages concerning covert U.S. intelligence assets working for a variety of agencies suddenly gone missing and then, suddenly, inexplicably, found dying. Or dead. One in Budapest, Hungary. One in Kiev, Ukraine. One in Ashgabat, Turkmenistan, mere klicks from the Iran border. And then one in Virginia, along the Potomac River, practically in the shadow of CIA headquarters.Castillo finds the information both infuriating and fascinating, particularly after a recent experience with two CIA traitors whose own deaths were swift and suspicious. Despite there being some similarities, though, he thinks there’s something different with these new cases, something he can’t quite put his finger on. At first, it’s idle thought, but Castillo expects it’s only a matter...