The second edition of Teaching in a Digital Age is now available at https://pressbooks.bccampus.ca/teachinginadigitalagev2/
The first edition was published in 2015. The second edition is an update on the first edition. The main message, structure and content of the book, despite the revisions and updates, remain largely unchanged.
https://www.tonybates.ca/2019/10/07/secnd-edition-of-teaching-in-a-digital-age-now-published/