macOS Sierra Up To Speed Course published

For those of you looking to learn Apple's latest operating system, macOS Sierra,  or brush up on your Mac skills, I’m pleased to announce that macOS Sierra: Up to Speed has just been released as an ebook to Amazon, Apple iBooks and Kobo.  This is the latest addition to our “Up to Speed” series of computer guides, designed to help you to be more productive faster.

Hope you enjoy it!