Loved the book, my only complaint is that many things about the worldbuilding were left unanswered, so it could get a little confusing sometimes with all the terms and creatures and technology... 
 (view spoiler)[Sad that Japhrimel had to die (Japhrimel what a name), but I guess it makes sense, at least she won't have to be bound to him forever, and i like Jace, who im sure she is probably going to stay with (hide spoiler)]