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.
The box and cover are lovely but the pages inside aren't very good quality and there is one page that crackles. Would have been nice to have one or two other sounds/feels. Seems like it's been put together quickly and without much thought.