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.
Book arrived with one of the moving elements torn out completely. This was a birthday present for a 3 year old and I t was a moving piece from a page in the middle of the book so it can’t have been accidental damage. Look elsewhere