It's gripping and moving, and I read it in an hour and a half, and am going to read it again, with post it flags and pencil at the ready, as soon as I can get my hands on the sequel. I chose it based on some great reviews, so I know it's not exactly an unknown book, but if you haven't read it, then you are missing out on something special. There were parts of this book that were ridiculously difficult to read, which I know some people shy away from, but, for me, it just shows what an exceptional writer the author truly is. Set in a far distant and horrifically frightening future, it could have been one of those books that was just a good read, but doesn't feel likely or truthful. Exactly the opposite is true: this book is REAL - zombies or no - and makes me want to gobble up anything else Carrie Ryan has ever written.