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.
Honestly couldn’t thank Amazon enough for their fast delivery. Iv been chasing this book up for months and the news agency’s were sold out or didn’t meat the demand requirements to order them. Amazon had it at my door with in the week. I’m so sooo greatful thank you so so much xx 😃