The Blue Bloods book series is a collection of novels written by Melissa de la Cruz, and it is distinct from the television series of the same name. The book series is a young adult (YA) paranormal fantasy series that centers around a group of supernatural beings in New York City.
The Blue Bloods novels combine elements of urban fantasy, romance, mystery, and drama. The series focuses on a group of elite teenagers known as the "Blue Bloods," who are descendants of vampires and are part of an ancient and powerful bloodline. These characters attend a prestigious private school in New York City, where they lead seemingly perfect lives, unaware of the darker, supernatural forces that are linked to their ancestry.