As I understand it, if you know the name of the book and/or author you can look them up, but a lot of books have been pulled from the amazon ranking system and if you are looking up just general subjects (I saw an article in the PI that had a screen shot of what they got when they typed in Homosexuality as a book subject and it was terrifying) it's rather scewed
no subject
no subject
Amazon is really odd in how they do things in general. Their search engine is the biggest piece of shit bar none.