Triumph of the Dragon (Brothers of the Dragon #3)

Two brothers, hailed as saviors by the people of Palenoc, become separated in the land of menacing black unicorns and shimmering dragons and must reunite against the evil sorceress, Heart of Darkness, before their world is destroyed.

The stirring conclusion to Brothers of the Dragon and Flames of the Dragon. In a magical realm where dragons patrol the skies and black unicorns guard the forest, two brothers must find a way to overcome a great evil sorceress, who threatens to destroy their adopted world.