Thank you for your question:
1) For Your Amazon Associate tag you need Input your own Amazon Associate tag. This gives you the possibility to earn book credits if people buy a book at Amazon by clicking the link on your website. If you do not have your own Associate tag, please support the further development of BookLibrary and use mine instead.
2) For Amazon AWSAccessKeyId - In this field you can change the AWSAccesKey for Amazon Web Services (example key: 1DAQJHFZ8ZDWJHR2GR82)
3)Amazon Secret Key - "In this field you can change the Secret Key for Amazon Web Services