High Quality Content by WIKIPEDIA articles! Blue Bloods is a series of vampire novels by Melissa de la Cruz. The series is set in Manhattan, New York. There are six released books in the series: Blue Bloods, Masquerade, Revelations, The Van Alen Legacy, Misguided Angel and Lost in Time. A companion novel, Keys to the Repository, was released on June 29, 2010. Bloody Valentine, another companion novel, was released on December 28, 2010. The final book, Gates of Paradise, along with Blue Bloods: A Graphic Novel, are set to be released on January 15, 2013. After the seventh and final book is released, Melissa de la Cruz states that she plans to begin a new Blue Bloods series.