The Royal Tutor, Volume 12 (The Royal Tutor #66-72)

With first Bruno and now Kai returning from their independent studies, the palace is getting lively again - much to the delight of their doting father! But the thrill of his brothers’ return only seems to strengthen Leonhard’s hostility toward Adele’s betrothed, who threatens to break up their happy family and take his dear sister away! (... Many years from now - but still!) Leonhard has been studying the Fonsein language so he can give the young princeling a real piece of his mind in the boy’s native tongue, but...