Goddess (Starcrossed) by Josephine Angelini Paperback

Goddess is the final book in Josephine Angelini's heart-stopping trilogy inspired by Greek mythology, Starcrossed.

She must rise, or they will fall . . .

Helen's powers are increasing and so is the distance between her and her mortal friends. To make matters worse, the Oracle reveals that a dangerous traitor is lurking among them, and all fingers point to Orion. Still unsure whether she loves him or Lucas, Helen is forced to make a terrifying decision, or risk all-out war.