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 is fantastic but was VERY disappointed that Amazon did not make it clear that it would not work on my kindlewhite. I have had to read it on a computer which is less than ideal. Amazon should me much clearer about what version of the Kindle it will work on.