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 is amazingly well written and I’m enjoying it immensely, but mine is falling apart after only 3 months and my pages are coming out. Is there a replacement warranty or do I have to purchase another one?