Nathaniel, a magician's apprentice, summons up the djinni Bartimaeus and instructs him to steal the Amulet of Samarkand from the powerful magician Simon Lovelace.

In their continuing adventures, magician's apprentice Nathaniel, now fourteen years old, and the djinni Bartimaeus travel to Prague to locate the source of a golem's power before it destroys London.

"All sorcerers are evil. Elisabeth has known that as long as she has known anything. Raised as a foundling in one of Austermeer's Great Libraries, Elisabeth has grown up among the tools of sorcery -- magical grimoires that whisper on shelves and rattle beneath iron chains. If provoked, they transform into grotesque monsters of ink and leather. She hopes to become a warden, charged with protecting the kingdom from their power. Then an act of sabotage...

Sixteen-year-old Raffi and Master Galen continue to evade the Watch as they seek the Coronet, a potent ancient relic that could be their only hope for defeating the power that is destroying Anara.