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 8 year old loved this book. It's his fourth in this series and he read it in one sitting! (About an hour) He's motivated to read and so excited to read when there's a new Ricky Ricotta book in his hands