The Van Alen Legacy by Melissa de la Cruz

Summary: With the stunning revelation surrounding Bliss's true identity comes the growing threat of the sinister Silver Bloods. Once left to live the glamorous life in New York City, the Blue Bloods now find themselves in an epic battle for survival. Not to worry, love is still in the air for the young vampires of the Upper East Side. Or is it? Jack and Schuyler are over. Oliver's brokenhearted. And only the cunning Mimi seems to be happily engaged.

Young, fanged, and fabulous, Melissa de la Cruz's vampires unite in this highly anticipated fourth installment of the Blue Bloods series.