Amazon calculates a product's star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
This is great for kids to discover the world around them. Has great content in which you can read to your kid and learn a few things as well yourself. The book has activities that you readily do at home. It creates that experience and quality bonding time with your kids.