Twelve-year-old twins Philippa and John have more adventures when they become involved in an international adventure involving the Blue Djinn, the supreme arbiter of all Djinn.

In their ninth journey through the magic mirror Abby and Jonah find themselves in the tale of Aladdin, and after giving the hero of the story a bloody nose in a game of dodge ball, they take his place with the evil magician looking for the magic lamp--and things continue to go down hill from there.

Fans rejoice-everyone's favorite wise-cracking djinni is back! Thousands of years before his fateful service to the magician Nathaniel in London, wily Bartimaeus served as djinni to hundreds of masters, from Babylon and Ancient Egypt to the modern Middle East. In this brilliant new installment in the best-selling series, history is revealed as readers travel alongside Bartimaeus to Jerusalem and the court of King Solomon for his most exciting adventure...