How do I make ### sub-sections appear in the Table of Contents?

The section levels that appear in your Table of Contents are set according to your book Theme.

Here is the setting for the Nonfiction book Theme:

Here is the setting for the Technical book Theme:

Here is the setting for the Fiction book Theme:

And finally, here are the options available in the Custom book Theme:

To get sub-sections to show up in your book's Table of Contents, select a "Custom" book theme, choose "Parts, Chapters, Sections and Subsections" in the Table of Contents section, and then scroll to the bottom of the page and click the Update Theme button.

Please note that Custom book Themes are part of Standard and Pro plans. Here is an article about our Book Themes: http://help.leanpub.com/en/articles/3691789-what-are-the-settings-for-each-of-the-different-book-themes.

Your plan can be edited at https://leanpub.com/author_dashboard/subscriptions.

For more information about how the Table of Contents, works in Leanpub books, please see this article.

How can I format my Table of Contents? I see some examples of Leanpub books which use numbering for the book parts, chapters, sections, sub-sections, etc., and I see that the Table of Contents can have dots or no dots...

Some Leanpub books have a table of contents, and others don't. Why is that?

I'm using Leanpub's Upload writing mode, and I would like to have a Table of Contents appear on the book's landing page. How can I do that?

H3 headings aren't showing up in my Table of Contents. What can I do?

I'm writing a book using GitHub, and I can't see the table of contents on my book landing page. How can I add the table of contents to the book landing page?