From the New York Times bestselling author of We All Looked Up comes the exciting conclusion to the “haunting…beautiful and heartbreaking” (School Library Journal) Anchor & Sophia trilogy, where the rules of humanity come to a head in the final battle between two warring cities.In this thrilling conclusion to the Anchor & Sophia trilogy, the great war has finally begun. The Descendancy must fight for its survival against not only the Sophian army, but a Wesah nation newly gal