I don't exactly know how to review this book. In a way, I did like this book very much, but another part of me just couldn't get into it. This book had a lot of promise based on the description, and I was kind of let down as I was reading. 
 My first problem with this book was the fact of how long it took to actually get started. There was basically 185 pages of set up, with Heven being all woe is me; I hate my scars; I am sooooo ugly. I understand that you don't find yourself as attractive because of this disfigurment, but I didn't have to be constantly reminded of it. I also understand that there has to be some set up, but this book just dragged for the half of the story. 
 The other thing I didn't like was how superficial everyone was. (view spoiler)[As soon as Heven's scars were gone, her old friend's, along with everyone else, accepted her again. (hide spoiler)] I know that people, especially teenagers, are very superficial in our society, but obviously these people that Heven considers "friends," really aren't. A friend sticks by you no matter what. 
 Moving on to my next problem, editing. This book needed a heavy dose of proofreading/editing. There were a lot of little grammatical errors that just bugged me, but there were errors in the story as well. For example, at one part of the story Heven gets a ride home from Sam. After arriving at Heven's house, Heven proceeds to thank Sam for driving her home. The very next line is Sam saying, "Well, aren't you going to thank me for driving you home?" And Heven thanks him again. At first I thought, well maybe I missed something, and she said thank you in her head, so I went back and reread it. Nevertheless, I found that I read it right the first time, and Heven said thank you out loud. I reread this part several more times to try and make sense of it, but it just didn't. There were several other parts throughout the story that were like this as well. Additionally, there were alternating perspectives. I actually didn't mind this at all, except for the chapters that were virtually repeats of the previous chapter, just from another character's POV. I felt it was really unnecessary, and boring. When it was something different, the other POV was interesting. 
 Despite these things, once the story started, it did get better. I enjoyed it more, and there were parts where I was scrambling to find out what was going to happen. The twist of what Sam is, is definitely different, and I enjoyed reading something other than werewolf, vampire, and fairy characters. I don't know if I will read the next book in the series. It depends on how long it is, and what it is about. However, like I said before, the story is different, so if you're looking for something like that, give this a try. Just try not to pay attention to grammar and punctuation.