The Dragon's Price. The Sorcerer's Saga, #4

Ayden Dracre, the youngest son in a family of notorious sorcerers, has always respected dragons. That might change when he learns the history of the Sjau. Unfortunately, he is about to face an adversary not even the dragons can destroy, and this time, there is more than Ayden's life at risk. When the future of Caldaca is on the line, the Sjau will have to set aside their differences to save magic.
Merlin's powers of divination continue to grow, but will it be enough to defeat his greatest enemy yet? With the black star impending, Ayden must master dragon magic, save a dragon egg, and rally allies before time runs out.