Book + Trailer: Bloody Valentine (a Blue Bloods Novel), by Melissa de la Cruz

(@MelissadelaCruz)
In matters of the heart, not even immortal vampires have total control. Might a witchy new girl help cure Oliver's broken heart? How did Allegra fall in love with a human? Will Schuyler and Jack finally be bonded? Romantic and sensual, Bloody Valentine reveals the undying love, the hope and the devastation, and the lust and the longing that have defined Blue Bloods throughout history. Prepare to be swept off your feet.
(From the YouTube description)