See below for English description.

Les ?l?ves du Magisterium ont toujours ?t? en s?curit?. Sous l'oeil vigilant des magiciens, ils apprennent ? utiliser la magie pour remettre l'ordre dans un monde chaotique.

Mais le chaos reprend ses forces. Alors que Callum, Tamara et Aaron devraient se concentrer sur les examens et les concours de magie, ils se pr?occupent plut't de traquer un meurtrier sinistre.

Les trois amis apprendront que la magie est aussi bonne que la personne qui la manie. Entre mains mal?fiques, cette magie a la capacit? de faire du tort immesurable. ? moins qu'on l'arr?te ? temps.

Le troisi?me tome de la collection au palmar's du New York Times ?branlera vos convictions sur le monde du bien et du mal.

Students at the Magisterium are supposed to be safe. Under the watchful eyes of the mages, they are taught to use magic to bring order to a chaotic world.

But now the chaos is fighting back. Call, Tamara, and Aaron should be worrying about things like pop quizzes and magic contests. Instead, after the shocking death of one of their classmates, they must track down a sinister killer.and risk their own lives in the process.

As Call, Tamara, and Aaron discover, magic can only be as good as the person who wields it. In evil hands, it has the capacity to do immeasurable harm-unless it is stopped in time.

From Holly Black and Cassandra Clare comes the third installment in the New York Times bestselling series that defies what you think you know about the worlds of good and evil.

Original title: Magisterium #3: The Bronze Key