The gripping new race-against-time thriller by the best-selling author ofRelentless,The Last 10 SecondsandThe Final Minute.

I had a simple choice. Stay here, and almost certainly be discovered.

Or get up and run.

THE WITNESS WhenJane Kinnearsees her lover being murdered, she suddenly finds herself in danger. Taken to an anonymous police safe-house, it soon becomes clear that her lover was an MI5 informant with important information about an imminent terrorist attack.

THE DETECTIVE DI Ray Masonof Counter Terrorism Command is a man with a controversial past, but his effectiveness at getting results means that hes now been given the task of preventing the attack from taking place. But can he be trusted, and does he know more about the attack than hes letting on?

THE KILLER In the safe-house, Jane is trying to piece together a description of her lovers killer. But what she doesnt know is that the killer has already found out who she is, and where she is hiding.

And now hes coming for her

Simon Kernick is one of Britains most exciting thriller writers. He arrived on the crime writing scene with his highly acclaimed debut novelThe Business of Dying, the story of a corrupt cop moonlighting as a hitman. Simon's big breakthrough came with his novelRelentlesswhich was the biggest selling thriller of 2007. His most recent crime thrillers includeSiege,Ultimatum,Stay AliveandThe Final Minute. He is also the author of the bestselling three-part serial thrillersDead Mans GiftandOne By One.

Simon talks both on and off the record to members of the Counter Terrorism Command and the Serious and Organised Crime Agency, so he gets to hear first hand what actually happens in the dark and murky underbelly of UK crime.