Sentinel

＂An African coup may force Josh Duffy to choose between his mission and his family in this intense thriller from the #1 New York Times bestselling author of the Gray Man series. Josh Duffy lives by a simple code: Duty. Honor. Family. But sometimes it’s hard to know what order the words go in. Josh Duffy and his wife, Nikki, are both working for the State Department’s Diplomatic Security Service, providing protection for diplomats in the field. They and their two children have been posted to Ghana, the most stable democracy in western Africa. But that stability proves to be fleeting. A Chinese plan to overthrow the Ghanaian government brings Josh face-to-face with a particularly malignant ghost from his past. He knows his duty. His honor requires he fulfill it. But will his family pay the price?＂--

Mark Greaney has a degree in international relations and political science. In his research for the the first Armored novel and the Gray Man novels, including Burner, Sierra Six, Relentless, One Minute Out, Mission Critical, Agent in Place, Gunmetal Gray, Back Blast, Dead Eye, Ballistic, On Target, and The Gray Man, he traveled to more than thirty-five countries and trained alongside military and law enforcement in theuse of firearms, battlefield medicine, and close-range combative tactics. With Marine Lt. Col Rip Rawlings, he wrote the New York Times bestseller Red Metal. He is also the author of the New York Times bestsellers Tom Clancy Supportand Defend, Tom Clancy Full Force and Effect, Tom Clancy Commander in Chief, and Tom Clancy True Faith and Allegiance. With Tom Clancy, he coauthored Locked On, Threat Vector, and Command Authority.