An untraceable cargo. An unknown target. The international arms trade is about to become a national problem. In 2012, in a Middle Eastern souk, CIA agent Miles Brookhaven was attacked. At the time he was infiltrating rebel groups in the area. No one was certain if his cover had been blown or if the act was just an arbitrary attack on Westerners. Months later, the incident remains a mystery. Now, Liz Carlyle and her Counter Terrorism unit in MI5 have...

Most weapons do what you tell them. Most weapons you can control. But what if the most dangerous weapon in the world isn?t a smart missile or a stealth submarine or even an AI computer program? What if it?s a 17-year-old boy with a blisteringly brilliant mind, who can run rings around the most sophisticated security services across the globe, who can manipulate that weaponry and turn it against the superpowers themselves? How valuable would he be?...

Treachery begins at home Back in London after a gruelling operation in Paris, Liz Carlyle has been posted to MI5's counter-espionage desk. Her bosses hope the new position will give her some breathing space, but they haven't counted on the fallout from Putin's incursions into the Ukraine. Discovering that an elusive Russian spy has entered the UK, Liz needs to track him down before he completes his fatal mission - and plunges Britain back into the...