Magisterium, a new young adult fiction series co-written by Holly Black and Cassandra Clare, moves deftly into the gap left by Harry Potter and is gripping from the four-page prologue to the first ...

BUY THIS BOOK. The Iron Trial Holly Black and ... ISBN 978-0-545-52225-0. Set in a magic-inflected version of the present-day U.S., this first title in the Magisterium series combines the ...