Originally Posted by mrmikel
If you use Sigil, it can generate an ncx TOC and HTML TOC by selecting from a drop down menu.
Both rely on using <h1-6> for chapter headings and the like.
One thing I used to do to make it easier to navigate was to make each chapter head a link back to the TOC.
I find that linking back to the internal ToC is awful looking. Plus, I strip that out and curse the author for allowing it. Don't do it. Please don't ever do it.