The Silver Mask (Magisterium Series #4)

A generation ago, Constantine Madden came close to achieving what no magician had ever achieved: the ability to bring back the dead. He didn't succeed . . . but he did find a way to keep himself alive, inside a young child named Callum Hunt. Now Call is one of the most feared and reviled students in the history of the Magisterium, thought to be responsible for a devastating death and an ever-present threat of war. As a result, Call has been imprisoned and interrogated. Everyone wants to know …