Dragons of the Highlord Skies : Dragonlance - The Lost Chronicles, Volume Two

Seeking a dragon orb rescued from the Tower of High Sorcery in Planathus by an elven wizard before its fall to the forces of the Kingpriest, the Dragon Highlord Ariakas assigns the task of retrieving it to Kitiara Uth-Matar, half-sister of Raistlin and Caramon, but first she must confront Laurana, a leader of the forces of good. Reprint.