The Spy Game (Tanner Novels Book 21);

From REMINGTON KANE - THE SPY GAME - A Tanner Novel - Book 21
After someone he loves is threatened, Tanner agrees to go on a mission for the CIA, although he fully intends to deliver payback for the treachery they employed in enlisting his aid. Meanwhile, Sara is on a mission of her own with the help of a friend. It's espionage, Tanner-style.