product feeds

Which Affiliate programs with RSS product feeds would you recommend?

Hi IM Ninjas, I want to know, How and Where can I find out the popular product selling these day ? I tried google trends but It doesn't give you the results about product selling these days. What strategy or website you use to find out or shortlist the product to promote. Lets discuss it over...

I'm in need of Barnes & Noble product catalog with the following information. Product Name/Title Price (high and low) ISBN (books) and/or UPC (products) Condition (new, used, ect..) Product Description (not a must, could do without) I guess their are a couple ways to obtain this product...