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.
I'm extremly dissapointed with the shape this book was in on arrival. Apart from dents on the book itself, a mad person had glued a large sticker on the back of the book, with EAN-code and all, and IT CAN`T BE REMOVED! How stupid can you get?! If it wasn't so expensive to return, I most certainly would have done that. As for the book itself I'm sure it's just as good as the other two!