Mortal Heart is the third book in the His Fair Assassin series by Robin LaFevers. While technically you could read each of these as a stand alone, why would you? Each book is fantastic and the layering of the larger story arch cannot be fully appreciated without reading in order. (Can you tell I am a fan?)
In Mortal Heart we finally get to see Annith's thoughts and her part of the saga. Annith has watched her gifted sisters at the convent come and go, carrying out their dark dealings in the name of St. Mortain and patiently awaiting her own turn to serve Death. But her worst fears are realized when she discovers she is being groomed by the abbess as a Seeress, to be forever sequestered in the rock and stone womb of the convent. Feeling betrayed, Annith decides to strike out on her own. She has spent her whole life training to be an assassin. Just because the convent has changed its mind doesn't mean she or Mortain has.
In Mortal Heart I was thrilled to see Annith's story unfold. The look into her past and the conspiracies and betrayals that thread through the book are perfectly timed and woven into the story in a way that brings the entire trilogy together. I will admit that when Annith meets Bathazar I had a good idea of who he is, but that did not lessen my enjoyment of how everything unfolded and then came together. The action, character development, and character interaction just had me enthralled and happy throughout the entire book. I really did not want it to end, and was sad to leave the world of His Fair Assassin.
Mortal Heart is the perfect book for round out this trilogy, although I would dearly love to see more books from LaFevers about this world, and frankly i am going to go back and read the authors unrelated children's books as soon as I get a chance. I highly recommend this book, and this series which starts with Grave Mercy to everyone. Yes, everyone!! It is good for young adults, new adults, and adults.