Copyright and ISBN 20BooksTo50K Las Vegas 2022

Here's a presentation from the 20BooksTo50K Las Vegas 2022 conference Panzer thought you might find interesting.  I didn't know some of this.
This is the Copyright and ISBN presentation in which Kevin McLaughlin explains ISBNs and copyright and when and why you need each.
The presentation is free for viewing on YouTube and is 44 minutes long.
 To watch the presentation tootle over to Copyright and ISBN