The navigation pane includes a Table of Contents accordion bar for the eText.
Your eText may not include a left navigation pane or may hide the navigation pane. Refer to Displaying the navigation pane to show a hidden navigation pane.
To navigate within the eText using the Table of Contents:
Note: When you navigate among pages using the toolbar buttons, the blue highlighted item in the Table of Contents navigation pane does not track the page displayed in the content area.