Aurora (Book III of the Winter Fire Series)

With Bren away protecting his homeland and strange feelings for Loki surfacing, the pressures of Jenna's life are closing in on her. But when a vision warns that a Jotun attack on Asgard is imminent, the expatriates are pulled back to the realm of the gods, and Jenna with them. As love and loyalty are once again tested, Jenna and the others must race to prevent one disaster, even as they push their worlds ever closer to another.