My opinion on this book is that it is really good and also shocking. It has a couple flaws but overall I would certainly recommend this.
Mostly this novel is a bout a girl named Sam who goes through the same day over and over again like the movie Groundhog Day. The difference between the two is simple this book if much better and more interesting than the movie that I never finished watching, because personally it was dumb and a bit boring.
I love this book, but really it depends on the person and what types of books they enjoy because everyone has their own opinions and interests. Read it and you might love it.