The Nazis will kill to protect it. The Allies will die to uncover it. With the war on a knife-edge, the best weapon against the Third Reich may not be a weapon at all ... Autumn, 1941. The war is going badly for Britain and its allies. If Hitler is to be stopped, a new weapon is desperately needed. In Cambridge, professor Tom Wilde is approached by an American intelligence officer who claims to know of such a weapon - one so secret even Hitler himself...

To send a killer to catch a killer. Robie had killed evil before. People were happy, thrilled that another monster had met his end. But the world went on, as screwed up as ever, and another monster - maybe even worse - would replace the fallen one. On that clear, crisp morning in the normally serene Central Park his trigger pull would be remembered for a while. Investigations would be made. Diplomatic broadsides exchanged. More people would die in...