This is where you choose your two BISAC book types. Basically search through the listing that Amazon gives, and choose the two that very best fit your book. That's why we endorse Atticus as the top formatting program close to. It won't only make it easier to develop amazing ebooks, https://maplepublishers.com/blog/how-to-start-your-career-as-a-self-publishing-author-with-maple-publishing/