A Gistbook is a JSON file. Individuals are encouraged to build applications that render the Gistbook format in a variety of ways. One example of this is Gistbook.io, which happens to be linked to Github Gists for convenience.
title: The name of the Gistbook
author: The author
updatedAt: The datetime that the Gistbook was last updated as an ISO8601 string
createdAt: The datetime that the Gistbook was created as an ISO8601 string
pages: An array of Pages
resources: URIs to external resources that are necessary to render the Gistbook