I published my book via Scrivener - both print and ebook. I'll admit it wasn't straightforward but once I "learned" it, I saved that away as a template for my next book. There's a fair bit of customization and not very obvious how it works. I relied on the forums for hints/tips and even then it took some trial/error attempts. I'd say in total, I spent a full weekend figuring it out. I wonder how much of that memory is now lost and will need to be relearned when I publish my second book (template and all).