How did the great scientists make their remarkable discoveries? And what kind of men were they? This companion volume to "Inventors and their Inventions" introduces the work of 10 men to younger readers, and range from the world of Ancient Greece to the 20th century discovery of DNA.
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.