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 analyzes reviews to verify trustworthiness.
The book I received seemed to be in decent (new) condition, but had a few issues that seemed to be just poor quality. Every other page is connected (adhered) and had to be separated carefully without ripping.