** spoiler alert ** 
 I really liked this book, and really enjoyed learning about how Lena spent her time in the Wilds, without Alex. I also liked the new characters, and the return of some old ones........ 
 One of the reasons that I loved this book, is because Lena really tried to move on with her life, even though she *thought* that Alex, the boy who introduced her to the rebellion, was dead. She tried hard to help out in the Wilds, and even went on a mission for the Invalid's cause, by going undercover and becoming a part of the DFA (Deliria Free America). 
 Her mission, in fact, with the DFA, was to keep watch of Julian, the leader of the DFA's son. At one of the rallies, Scavengers attacked, and she ended up being kidnapped alongside him. While she is with him, they soon develope feelings for each other. 
 I'm still processing that Alex is alive, and that he was being held in thr Crypts the entire time. I'm not sure what to think of this new "love-triangle", if you can even call it that. Up until the very last page, Lena was positive that Alex had died, and was only trying to move on with her life. However, now that he is truly alive, in the next book, we will have to see who she chooses. And we are not yet sure how Alex's time in the Crypts has changed him. Given from the one line that he said at the end of the book, we can be almost positive that his time in the Crypts has changed him, just as Lena's time spent in the Wild's and undercover have changed her. 
 I can not wait for the next book in the series, and hope that it will be just as good as the first two!