After you find the product (or any page on Audible.com, for that matter), go to the link generator page and enter your publisher ID number. That’s all it takes to build a custom affiliate link. Going through the library of audiobooks on Audible, you’ll surely find something for whatever niche you want to target. They have the Steve Jobs biography by Walter Isaacson, fictional works like the Hunger Games series, and more. There is even a category called “read by the author.”