In a not-too-distant future that is not quite ours, there has been a major scientific breakthrough. It is a way to open windows into the past, permitting historical researchers to view, but not participate, in the events of the past. In one of the most powerful and thought-provoking novels of his remarkable career, Orson Scott Card...
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.