A loyal spy

The last time Jonah saw Nor ed-Din, he was lying face down in a pool of black water in the Khyber Pass. For many years, Jonah had been under the impression that he'd killed him there... How far can loyalty be stretched before it reaches a limit? Millions of lives depend on the answer, as a twisting road of betrayal and revenge leads from the mountains of Afghanistan to the heart of London... and a ticking bomb.