I haven't written an eBook, but I use https://typora.io https://typora.io for all my markdown editing. It's a WYSIWYG editor, which is very rare today, but has

I haven't written an eBook, but I use https://typora.io https://typora.io for all my markdown editing. It's a WYSIWYG editor, which is very rare today, but has roughly doubled my writing speed because of that.