From the world of Philip Pullman's His Dark Materials - now a major critically acclaimed BBC series.
We're going to the land of the dead and we're going to come back.'
Will and Lyra, whose fates are bound together by powers beyond their own worlds, have been violently separated.
But they must find each other, for ahead of them lies the greatest war that has ever been - and a journey to a dark place from which no one has ever returned . . .
The first message sent to Tom Thorne's phone was just a picture - the blurred image of a man's face, but Thorne had seen enough dead bodies to know that the man was no longer alive. But who was he? Who sent the photograph? And why? While the technical experts attempt to trace the sender, Thorne searches the bulletins for a reported death that matches the photograph. Then another picture arrives.