3.5 stars
There were a lot of moments in which I was just annoyed with this book. Kaz drove me crazy thinking he was beyond failure while getting his friends in trouble. Really, I wanted to throw this book out of my window. Still I really loved other parts of the story. It was a roller coaster ride in this aspect. Every part I loved was followed by one that made me furious... I was so frustrated at times that I really thought about not finishing the last 200 pages. But I am really glad I did eventually because the ending was plain amazing. Nonetheless, I don't understand all the praise this series is getting. Yes, it is fun (at times) but average at best. I also don't see why people seem to fuzz over the character development as it was also rather moderate.
All in all an enjoyable duology that could have used some minor cuts in plot.