3 Stars out of 5. 
 I am so sad that I did not enjoy this book (or trilogy, since I ve read the books before writing this review) as much as many people did. So, so sad. Maybe everybody raved it so much, that I have extremely high exceeding expectations and I was really let down. 
 Maybe it's me, I have noticed that almost all books with angels and demons I don't enjoy. (e.g, angelfall) 
 The writing, I admit, is beautiful. So unique and different from other books. However, beautiful writing alone cannot be the only factor to bring up the story. Other factors such as characters, worldbuilding, plot, are also important to bring up the story. 
 The plot is good. Starcrossed lovers, on opposing teams, fall in love between the war. Angels versus demons. Who wouldnt like that? Me, apparently. Haha. 
 Worldbuilding, hmmm it's alright I guess. 
 Characters were meh. This is were the book did not just do for me. I couldnt connect to the charaacters at all. Karou was meh. Akiva was meh. Zuzana was meh. I do like Brimstone though. 
 Would I recommend this book? I would, but just dont have high expectations, then maybe you might like it as much as the other 95% of the people who read the book.