I found your profile and I would like to consult you to see if you know how to do a programming job pulling sales rank data for books from Amazon. I would like to pulling and store the sales rank data for all the textbooks once or twice a week. My brother is really good at programming with Amazon but has had trouble getting me the sales rank data in usable form. For example, if you enter 0137007507 into [url removed, login to view], I would like to pull and store the rank "Amazon Best Sellers Rank: #134,770 in Books". Apparently it is hard to pull that overall number. I only need the sales rank of the book in the overall category "books". What challenges are there to scrapping this data? Do you have to capability to do this?