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.
We purchased this in Audible to listen to as soon as it was released. All of the magic treehouse books are wonderful, and this was no exception. It has sparked my daughter’s interest in so many different topics, and we like to buy the Fact Tracker books, as well.