Ascendant King Jaron believes that his kingdom, Carthya, is at peace, so he and his bethrothed, Imogen, are sailing home from a trade mission when their ship is attacked by Prozarians, and Jaron and several of his friends are taken prisoner; the Prozariancaptain seems to believe he had something to do with his parents' deaths and they also know a great deal about Jaron's long-missing older brother, Darius, the rightful heir to Carthya--who may be alive after all.
Ascendance series ; book four
Nielsen, Jennifer A. Ascendance trilogy
Nielsen, Jennifer A. Ascendance trilogy ; bk. 4.
Brothers -- Juvenile fiction.
Inheritance and succession -- Juvenile fiction.
Kings and rulers -- Juvenile fiction.
Pirates -- Juvenile fiction.
Princes -- Juvenile fiction.
Queens -- Juvenile fiction.