Bone weaver

"The Kosa empire roils in tension, on the verge of being torn apart by a proletarian revolution--but seventeen-year-old Toma lives blissfully disconnected from the conflict in the empire with her adoptive family of benevolent undead. When she meets Vanya, a charming commoner branded as a witch by his own neighbors, and the dethroned Tsar Mikhail himself, the unlikely trio bonds over trying to restore Mikhail's magic and protect the empire from the revolutionary leader, Koschei, whose forces have stolen the castle"--Provided by publisher.