Each of the Magical Children stories is about a child with a special gift. In THE INVISIBLE BOY, Sam is left in the care of the horrible Hilda Hardbottom when his parents go missing on a trip to the moon, and makes friends with a little alien calls Splodge who shows him how to become invisible. THE STRONGEST GIRL IN THE WORLD is about Josie Jenkins, aged 8, who suddenly finds that she can lift up a double decker bus...
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.