You can share an edition via Facebook. 

Within the edition itself, navigate to the page that you want to share:

Next, click on the Share icon:

The Share icon releases a drop down menu of social media options:

Choose the "f" button, for Facebook.

Once you click on the Facebook button, you will connect to Facebook from the edition itself.

The thumbnail image is shown in the post box:

Click "Share", and you are done!