Vampire’s Bite by Helen Scott

Cordelia trusted Rook, but was that a mistake?
She’s always known that Rook was different from the other vampires at The Nest, but being a prince put him on a whole different level. And put an even bigger target on her back.
One she can’t escape from.
Now she’s being forced to work with vampire hunters who want Rook dead, and if she disobeys then Gran’s life is forfeit.
Her connection to Rook is deeper than the hunters realize though, and it’s her only hope. Somehow Cordelia must find a way to use this connection to save Rook, without risking Gran’s life in the process, or her own…