Rating lowered to 3 stars after further mulling. 
 I didn't enjoy this one quite as much as I did the first. The twists and turns towards the end helped me to bump it up to 4 stars, I think, but I didn't fell all that connected to Hanna or Nik. I'm not sure why - I liked them, for sure, but I didn't feel all that connected to them. Some of the dialogue had me cringing as well, but hey, they're teenagers on a space ship in the future; let them have their cheesy conversations. 
 The latter... quarter? I want to say? of the book was my favourite part overall. It got all twisty-turny and (view spoiler)[AIDAN was there (hide spoiler)] and it was just a lot more fun to read. 
 That cliffhanger at the end, though. 
 Want to know how it ends? 
 YES. I DO. 
 I need the next book ASAP.