Table of Contents

Every page of this book has a button labeled “Contents” in the upper left corner. You can click anywhere on that button to show the book’s table of contents. Clicking the button again hides the table of contents.

In the table of contents, you can click on a title of a chapter to navigate to the beginning of that chapter.

You can also click on the “+” in the table of contents to see the chapter’s sections and navigate directly to that place in the book.

Turning a Page

Every page of this book has a button in the lower right corner labeled “Next →” that you can click to move forward, and another button in the lower left corner labeled “← Previous” that you can click to move backward.

For example:

Reading on Smaller Screens

On smaller screens, like phones and tablets, the Contents button is at the top of the page. The Previous and Next buttons are stacked at the bottom of the page, like this: