In the Walled City of Aramanth, exams are everything. When Kestrel Hath dares to rebel, the Chief Examiner humiliates her father and sentences the whole family to the harshest punishment. Desparate to save them, Kestrel learns the secret of the Wind Singer, and she and her twin brother, Bowman, set out on a terrifying journey to the true source of evil that grips Aramanth. Blue Peter Award Winner.
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.