Campbell Biology (10th edition)

First of all, why are all of these reviews based on the service of the item? A customer review is supposed to be based SOLELY on the product itself, not its condition, not the seller, not the rental service. Amazon's review guidelines clearly state that "feedback about the seller, your shipment experience, or packaging is not a product review and should" not be a part of your product review. There are other venues for that. Here is a...