My latest book was published in 2021. It’s an overview of everything you need to back up, all the ways you can back up those things, and advice on making those choices.
A big re-write of my first book, adding support for OS’s other than Unix. It’s pretty dated at this point, but a lot of the basics in there are solid.
A dated look at the two methods of shared storage at the time.
My first book was published in 1999. 700 pages long!