Speeding Up Your Mac (Version: 1.1, September 20, 2016; originally published June 21, 2016; discontinued on December 19, 2017 and replaced with Take Control of Speeding Up Your Mac, Second Edition)
Joe On Tech
Troubleshooting Your Mac
Troubleshooting Your Mac (Version: 1.1, September 20, 2016; originally published October 29, 2015; discontinued on December 19, 2017 and replaced with Take Control of Troubleshooting Your Mac, Third Edition)
Maintaining Your Mac
Maintaining Your Mac (Version: 1.2, September 20, 2016; originally published August 4, 2015; discontinued on December 19, 2017 and replaced with Take Control of Maintaining Your Mac, Third Edition)
Backing Up Your Mac
Backing Up Your Mac (Version: 2.1, September 20, 2016; originally published June 2, 2015; discontinued on December 19, 2017 and replaced with Take Control of Backing Up Your Mac, Third Edition)