I'd recommend AsciiDoctor. It provides a syntax that's very markdown-like. Store your book as src in Git somewhere and move seamlessly between Fedora and your

I'd recommend AsciiDoctor. It provides a syntax that's very markdown-like. Store your book as src in Git somewhere and move seamlessly between Fedora and your Mac. There's a nice VSCode AsciiDoctor plugin and an extremely helpful community. And it outputs PDF, DocBook, epub, and HTML.