Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
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 analyzed reviews to verify trustworthiness.
Pretty much perfect condition. The first book has a small bend in the back cover, but that would have been done by the actual book printing place, not Amazon. The box is a little bit damaged at the back but that’s not a big deal.