Callum Hunt's life has been difficult ever since he was admitted to the Magisterium, since his father suspects him of being evil, and his closest companion is a Chaos-ridden wolf--but when he discovers that his father may be trying to destroy both him and Havoc, he escapes back to the magical world and he and his friends Aaron and Tamara, become involved in the search for the stolen Alkahest, a copper gauntlet with dangerous powers.

Holly Black is the #1 New York Times bestselling author of The Spiderwick Chronicles (with Tony DiTerlizzi) and the Newbery Honor-winning novel Doll Bones. Her other books include The Good Neighbors graphic novels, and the novels The Darkest Part of the Forest, Tithe, Valiant, and Ironside. With Cassandra Clare she is the author of the Magisterium series, a New York Times bestseller. She currently lives in the realm of Western Massachusetts.