Its Just an enough filler for all the questions arose in "Heir of Ashes". Questions like who/what is Roxanne? Why she is haunted? Who is her father? We get a clear picture of her father in this one.

check the full review here >>
https://bookandmorebd.wordpress.com/2018/06/05/the-curse-heir-of-ashes-by-jina-s-bazzar/