Drupal 8 includes a "Migrate UI" module helps people upgrade from Drupal 7 to Drupal 8. I'd like to see something similar for Backdrop that will help people move from Drupal 7.
The Drupal 8 also provides data on available upgrade paths (similar to what we can provide with https://github.com/backdrop-contrib/backdrop_upgrade_status) as well as an interface for uploading both files and database from an existing Drupal 7 site, into the current Backdrop site.
The first page of the upgrade process contains instructions:

The second page asks for your Drupal 7 database and Drupal 7 files:

The third page does an analysis of the modules you've installed on the new/empty (Backdrop) site and what's in the old legacy database, and generates a report:

If the new new/empty (Backdrop) site has content it it, it throws a warning first:

I would like to start working on this as a contrib module, but am interested to see what other people think about having something like this in core.
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If choosing the Views approach you can also use https://backdropcms.org/project/eva which allows you to place the list with more flexibility.
Backlinks for Entity Reference?
Thanks. It still took a lot of trial and error for all the settings within the settings, but I eventually got it to display based on these instructions.
Backlinks for Entity Reference?
Another easy way to do this is to use the module Corresponding Entity References (cer). You would need to add an entity reference field in the authors content type pointing at the book, then set...
Backlinks for Entity Reference?