Take Control Books, a great resource for e-books to help you learn various apps and how to work with devices, has made a book Working from Home Temporarily available for free.
The book helps explain how to set up a home office and balance work and home life for those not used to it.
All Take Control Books are delivered in 3 ebook formats, PDF, EPUB and Mobipocket (Kindle).
So, whether you are trying to learn more about the Mac Command Line with Terminal, How to Use Apple TV or 1Password, there is probably an ebook for you.