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.
My 7 year old loves this author and series and has all of his books. While my daughter loves this latest release, I am a little disappointed that it was a very short book. I was expecting this book to be similar in content size as the older books.