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?"--