It should be a time of celebration. The Enemy of Death is dead; a severed head proof of his downfall - Callum, Tamara and Aaron, all students at the Magisterium, are heroes.

But when a fellow pupil is brutally murdered, Call's worst fears are confirmed: there is a spy in his magical school

No one is safe.

Now, using the powerful magic they ve been taught, the trio must risk their lives to track down the killer. But magic is dangerous - in the wrong hands it could bring terrible destruction. And reveal the deadliest secret of all ...