Originally Posted by NightBird
No - each book has a separate link. Try just clicking through one of their links and look at the URL at Amazon. It has their affiliate code in the URL. If you don't see the affiliate code in the URL they don't get anything for it.
Yes, the initial link needs to have the affiliate code, but once I click on the link, if I stay on the Amazon site and buy something else, that other purchase is credited to the affiliate.