I have no words to describe how amazing this book is (okay, well obviously I'll have some words because this is a review isn't it ;). It is best to go into this book completely blind, not knowing what to expect. Trust me on this. Because of that, I'm not going to go into any plot details or too into the characters. However, what I will say is that I was utterly captivated after the first page, and I couldn't put it down. I read till the very end, and now desperately want the next book in this series. 
 Originally this was only going to be one book, however the ever delightful and talented Colleen Hoover and Tarryn Fisher decided to expand it into a series. Let's just say you'll be extremely happy with that decision. This wonderfully unique novel is a mix of mystery, romance, intrigue, the list goes on. I honestly had no idea what to expect when reading each page, and that made the excitement of reading this book all the better. Now you're going to say, I heard there was some sort of paranormal element to this story... Well, there is, but not in the way you would expect. I will tell you this, nothing is actually confirmed in this novel in regards to what is going on, however I think you will have your suspicions, just like me. I have an inkling about what could possibly happened, but knowing Colleen and Tarryn, it's going to be the last thing you suspect. 
 The one thing that I greatly enjoyed about this novel was how as you read, you find out things about the characters. You feel like you are part of their search to remember, and while this doesn't usually work in many books, with these 2 talented authors, it is done exceptionally. This is truly a unique and creative novel that is not to be missed. It is suspenseful, thrilling, and will leave you longing for the next part in the series. Your head will be filled with so many theories by the end that you won't know up from down...and you'll love every single minute of it. This is a definite must read for fans of either author, and I can't wait to see what happens next! 
 Happy reading :)