This book is part of the Easy Word 365 Essentials series of titles. These are targeted titles that are excerpted from the main Word 365 Essentials series and are focused on one specific topic. If you want a more general introduction to Word, then you should check out the Word 365 Essentials titles instead. In this case, Intermediate Word 365 which covers not only track changes but styles, breaks, multilevel lists, tables, and more. But if all you want to learn is how to use track changes in Word, then this is the book for you.