gitbook/docs/faq.md

GitBook FAQ

Should I use an .html or .md extensions in my links?

You should always use .md extensions for your relative links, GitBook will automatically replace these links by the right value when the pointing file is referenced in the Table of Contents.

Can I create a GitBook in a sub-directory of my repository?

Yes, GitBooks can be created in sub-directories. GitBook.com and the CLI also looks by default in a series of folders.