Essential Mac OS: Sierra Edition (Computer Essentials): Wilson, Kevin: 9781911174189: Amazon.com: Books
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macOS Sierra: The Missing Manual: The book that should have been in the box: Pogue, David: 9781491977231: Amazon.com: Books
macOS High Sierra: Kennedy, Chris: 9781976336027: Amazon.com: Books
MacOS Sierra for Seniors: The perfect computer book for people who want to work with MacOS Sierra (Computer Books for Seniors series): Studio Visual Steps: 9789059054431: Amazon.com: Books
macOS Sierra For Dummies (For Dummies (Computer/Tech)): 9781119280651: Computer Science Books @ Amazon.com