How can I retrieve the citations for a given book using the Amazon API?

I know of a website which, if given the ISBN, populates all the information like author, pages, and even images of a book, using Amazon. How is this done?

I am trying to compile a reading list. I have a seed reading list of books 开发者_如何学Pythonand I want to collect the bibliography of those books and then I want to find out which book is the most cited and then I would be able to find the most important books to read. But right now all I see is to parse their webpages which is not a very pleasant and elegant way of doing this.

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If you read anything about AWS (like here: http://aws.amazon.com/what-is-aws/) you would see AWS has nothing to do with Amazon's store content.