It seems to me that Kirstin Cashore's writing abilities have come a long way since the release of Graceling and when I read Fire I could tell that it wasn't written for me(men?). But Bitterblue felt to me like it was written by a fantasy writing legend and I think Cashore is on her way to becoming one of the greats. I could be biased though because this book ticks a lot of the right boxes for me with royalty, magic and mystery. 
 I love the character Bitterblue, she is without a doubt an INFJ personality type; which makes me wonder, is it wrong to love characters that have the same personality as your own? 
 Anyway, If you ever thought that Hermione Granger deserved to be the main character in her own book, Bitterblue is that book.