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.
I didn't love it as much as I'd hoped I would. Unlike most adult colouring books, this one focuses less on the colouring and more on the Harry Potter theme, which makes many of the pages either difficult because of the amount of detail, or dull for the same reason