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 bought the Kindle version of this to read to my 3 year old grandson over Skype during the lock down. He loves vehicles so it was well received, despite them being dated and at times impractical. His mother was less enchanted when she saw some of the 1950s attitudes displayed where the mother does the house work while Dad sits, hat on, in the garden in a deck chair reading the paper.