After you’re satisfied with the glimpse of the eBook, it is possible to publish it. This does not publish your eBook to Kindle Immediate Publishing, but results in the .kpf file and you will upload that file to Kindle Immediate Publishing, as opposed to your Phrase file. It would require https://maplepublishers.com/blog/what-you-must-know-about-selling-your-self-published-books/