This extension adds a button to Amazon's product pages so you can quickly view a book's sales history or begin salesrank tracking.
If you are a NovelRank.com user, this makes viewing a book's page on NovelRank a simple click when you are browsing through Amazon.
If a book is not already being tracked, clicking on the button will bring you right to the NovelRank tracking page with the book's ASIN automatically filled in for you.
NovelRank.com is a website for authors to track the sales rank of their books on Amazon worldwide and see estimated sales based on changes to sales rank. NovelRank is a free service.