To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
FYI: IT IS NOT A HARDBACK! I did think it was a hardcover book, but it is still a very good quality soft cover, as well as like a glossy extra cover to the actual book itself. The art in this book is insane, Posuka Demizu is an incredible artist, and I highly reccomend this book. It has sketches in it as well as finished the finished pieces.