You can view Goodreads ratings and reviews for an item on the Item Details screen. This information is only available if the item has:
The Goodreads average rating (out of five stars) and number of reviews for the item appear beneath the item's title. Click the reviews link to jump to the Goodreads Ratings & Reviews section at the bottom of the Item Details screen. This area displays the average rating, total number of ratings, and total number of reviews for the item.
You can also view selected reviews including the reviewers rating for the item and how many readers found the review helpful.