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.
I first discovered this story on Youtube, being read by the author. My young grandchildren found this story so fascinating that I decided to buy them the book. It can be understood on various different levels depending on how much a child can understand regarding their age/imagination.