Lethal operative Scot Harvath is dispatched to avenge the killing of American citizens abroad in #1 New York Times and #1 Wall Street Journal bestselling author Brad Thor's new pulse-pounding thriller. In the war-ravaged borderlands of Ukraine, a Russian mercenary unit has gone rogue. Its members, conscripted from the worst prisons and mental asylums across Russia, are the most criminally violent, psychologically dangerous...