Blue Bloods is a series of vampire novels by Melissa de la Cruz. The series is set in Manhattan, New York. The complete series comprises seven books: Blue Bloods, Masquerade, Revelations, The Van Alen Legacy, Misguided Angel, Lost in Time, and Gates of Paradise. The author also wrote two companion novels, Keys to the Repository and Bloody Valentine, along with two spin-off series, Wolf Pact and Witches of East End. Blue Bloods: A Graphic Novel was published on January 15, 2013, also the publication date of the final novel in the series.The series follows its characters through numerous adventures involving romance, loyalty, mystery, and war. Melissa de la Cruz has begun a second Blue Bloods series, Vampires of Manhattan. Source: Wikipedia (en)