Deceiver - Frederick Forsyth

SIS is under attack and time is running out…Sam McCready is The Deceiver, one of the Secret Intelligence Service’s most unorthodox and most valued operatives, a legend in his own time. But someone wants to push him out, and they’re willing to expose every secret from his past. Sam has one chance to escape the trap: it’s risky, confrontational, and it might cost him his life.As he sets his plan in motion, he begins to realise that his opponent is trying to destabilize SIS. Who wants to get rid of him, and why? And what happens if he refuses to go quietly?