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.
The book was advertised as a BIG book. I paid $11.00 because I thought I was getting a BIG book to use with the whole group. It is not. It is in the same condition and is the same size as the copy that I bought for less than $2.00.