A Fireborn woman and a Starborn man embark on a desperate sea voyage to save two kingdoms in a rousing fantasy from the New York Times–bestselling author. The battle for sovereignty among the seven lands of Alba has ended. The prophecy of Peace appears to have come true. But appearances can be deceptive. A new battle is brewing. Its outcome is dependent on the retrieval of a sacred triad of artifacts . . . The hunt for the three precious moonstones begins. For Allegria, Fireborn lightweaver, and her Starborn lover, Hallow, it means saving more than worlds. It means rescuing their friend Deo, prisoner in the shadowlands of Eris, where the secrets of the moonstones are buried. Steering Allegria and Hallow in their ocean quest is a mysterious lifebound captain. And he's setting sail with a warning: No mere mortal has ever survived the journey to Eris, let alone come back alive . . . As the bonds of friendship are threatened...