The American (Nathan Grant Thriller #1)

Following a distinguished career as an American spy, Nathan Grant is ready to part ways with the CIA. Unfortunately, his adversaries aren't as eager to let him go. After a final mission ends in the deaths of two Russian spies, Grant is a marked man. To stay one step ahead, he must uncover the identity of a mole buried deep within the CIA. After traversing the globe in search of clues, the truth will shock him to his core. Now it is Nathan Grant who will to stop at nothing for revenge.