In the share link video above, you saw how the 'share' link can be configured with custom permissions per chapter and or section.
Here is a link to a demo page with just a chapter embedded.
Yes, I am using this book as an example, and more specifically just this chapter and on top of that I am locking this section and the next so that you can come back to the main site :)
To make the link back to Meribook easy, the 'home' on the embedded instance is linked specifically back to this very section.
Now, Swipepages website/landing page platform is just an example. This can be any page - your WordPress website, Clickfunnels, Kajabi - anywhere you can add an iframe.