It took me all the No. 1 to understand who is who and their relationships (angel, fallen, lycan, vampire, etc ...) but once we have understood, it is addictive. The problem is that arrived at the end of the book if the relationship between Elijah and Vashti is clear and well established, there is not the end of the story about the virus, and that, that bothers me a lot: I WANT TO KNOW ...