Publisher's Synopsis
The thrilling conclusion to the Crystal Door's trilogy. cousins Gwen and Vic and their three friends defend the worlds beyond the crystal doors in a battle against the dark sage, Azric. When their friend Sharif is called back home by his father, the Sultan, Gwen, Vic and their companions travel to the flying city of Irrakesh only to find that the Sultan is dying, with Sharif the next in line to the throne. Before he can choose between duty and destiny, Irrakesh is attacked and the city is taken hostage by the dark wizard's monstrous winged army. In previous battles, the companions faced Azric by land and sea; now they take to the skies for the climactic showdown with the evil wizard and his dark forces.
