Vampire Academy: Book 4
Rose goes to Russia to hunt down Dimitri. When she's there she meets Dimitri's family, an alchemist named Sydney, a guy named Abe, and she finds the un-promised vampires. When she finally finds Dimitri, he ends up taking her by surprise and kidnapping her. He takes her to an estate where he keeps her prisoner. He tells her that he is going to make her a Strigoi. But will she let him?