Dark Winter (Nick Stone 06)

maverick agent Nick Stone is despatched to Malaysia by the CIA to assassinate a shadowy biochemist, he expects his mission to be a straightforward part of the fight against Osama Bin Laden’s network of terror. But there are complications — not least the attractive woman who he is working alongside.
Target neutralized, Stone returns to the USA and a maelstrom of personal problems. Kelly, the fourteen-year-old orphan to whom he is joint guardian, cannot escape the ghosts of her traumatic past; she has a prescription drug habit that’s spiralling out of control, and Stone knows he is the only one who can help her. He takes her to recuperate in England, but the terrible consequences of what happened in Penang are never far behind.
Before very long, the conspiracy he has uncovered unravels to reveal a doomsday threat against the populations of New York, London and Berlin. And Stone finds himself facing the ultimate trade-off: the life of someone he loves, against those of millions he doesn’t even know…