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 analyzes reviews to verify trustworthiness.
Simple and easy to use ledger. Soft cover. Gave it a 4-star only because the front cover actually looks like that picture (with the page bent over and you can see the layout behind it). I was holding out hope that aesthetically it would just be black.