Nathaniel, a young magician's apprentice, has revenge on his mind. Desperate to defy his master and take on more challenging spells, he secretly summons the 5000-year-old djinni, Bartimaeus. But Bartimaeus's task is not an easy one: he must steal the powerful Amulet of Samarkand from Simon Lovelace, a master magician of unrivalled ruthlessness and ambition. Before long, Bartimaeus and Nathaniel are caught up in a terrifying flood of intrigue, rebellion and murder.