Going into this book, I really didn't know what it was going to be about. Was it about aliens? Alien abductions, or maybe a rogue angel, or some weird thing that kidnapped people. Maybe a sci-fi book where time travel is involved (maybe she went into the future like Marty McFly without the need of a DeLorean and a flux capacitor and she wasn't supposed to know the future so she has no memory) but after having finished it, I can only say that I loved this book! It had everything in it, action, suspense, romance, sort of sci-fi (view spoiler)[yes, aliens are implied but I'm still so confused about what really happened, I mean, fireflies? (hide spoiler)] 
 Anyway, at first it seemed odd that she came back home she didn't even bother trying to figure out what really happened to her and that she was more preoccupied with Tyler, Austin's little brother, and how much he had grown and how she all of a sudden can't stop thinking about him. I mean, seriously/literally always wondering at her attraction towards him and it was a little bit annoying at times and it was double perplexing that Tyler didn't find it disturbing that Kyra liked and didn't think that he could be an Austin replacement for her since they look alike. But still the romance was sweet and everything about them being hanging out together was fun to read and after reading it 'till the end did I realize the significance of the sudden instant romance so... 
 Without further ado, I will go into a rant (spoilers, kinda): 
 I hate it when the author decides to kill the love interest in the first book just so that it's acceptable when in later books the main character falls in love with the other guy that was introduced later in the series/first book (that one guy who was the love rival before). I hate it because the author spends so much time writing how much the MC pines for the love interest and then when they become a couple it's all we ever see and we learn to love the boyfriend and imagine the two of them living happily together after the whole series is done but instead the author decides that killing him is better because she always had another paring in mind. Like no, I absolutely hate it when you do that. I will be very livid and I won't even continue reading the series or the books that have yet to come out in the future no matter how good the story and writing was on the first book. I hate being played like that, don't make us fall in love with a character that we KNOW is going to be end up the MC only to kill him because you want her to end up with the other guy who can't stop fawning over her. Just no. It's your story, your writing, your world, I get that, but don't deceive us like that with the summary and hype. 
 Fortunately, it wasn't the case with this book (as of right now) but it could still be, seeing as how Tyler was taken and who knows what really happened to him, he could be dead, and Simon's the only one her age that's around her, so who knows.. 
 And so that's why after this perfectly written cliffhanger, I'm anxious to read the next book and hope that Kyra and Tyler have a happy reunion and we finally get some insight into these "abductions" and the taking, and those darn fireflies.