Blood Promise is written by Richelle Mead
[Human]: Do you know what Blood Promise is? [Assistant]: Blood Promise is a young adult fiction book by Richelle Mead. It is part of a series of dark fantasy books. [Human]: What is the series about? [Assistant]: It is about a paranormal romance. Would you like to hear about similar books? [Human]: Yes, I stared reading Vampire Academy is Blood Promise part of that series? 
No, Blood Promise is not part of the Vampire Academy series. Instead, it is a standalone book that has no connection to any of Richelle Mead's other works.