Island of the Dragon: Maiden to the Dragon #7 (Alpha Dragon Shifter Romance) - Maiden to the Dragon, #7

Miriam and her friends face their most dangerous adventure yet as they head off across the sea to stop the Red Dragons from reaching a mysterious power. Their search leads them to the old city by the bay, Boldwela, where the Red Dragons were exiled by Xander and the other dragon lords.  Among their foes they find an ancient secret of the dragons and come face-to-face with one of Miriam's less-friendly relatives.
 Friends are made and lost, and Miriam must face her heritage as their destinies collide with the leader of the Red Dragons for one final confrontation that will decide the fate of the world.