Here's (sort of) an example. Griffin's Destiny: Book Three: The Griffin's Daughter Trilogy by Leslie Ann Moore.
http://www.amazon.com/dp/0982514506/ref=cm_sw_su_dp
...is the result in the metadata search. You can see that there is a product description, but the text in the comments on the metadata results screen is only the "about the author" text from the section below "Customers who viewed this..." titled "Editorial Reviews".
Earlier I mistakenly said "about the author" section, when in fact that was actually coming from this "Editorial Review" section. (Apparently it is used for that purpose a lot, which is why I kept seeing "about the author" text.)
If I put in the ASIN ID manually, it will pull the Kindle version result, which gets all the data because ALL of the info for the Kindle version is in the "Editorial Reviews" section - there is no "Product Description" in the page for that version:
http://www.amazon.com/Griffins-Desti...=AG56TWVU5XWC2