View invisible characters and object boundaries
You can display the boundaries of text, graphic, and media elements. You can also display…

Change ruler settings
In iBooks Author preferences, you can quickly change settings for rulers and guides. Alignment guides appear…

Customize the toolbar
You can add your most frequently used items to the toolbar. To see a description…

Change default attributes for objects
iBooks Author templates have elements and objects—text, shapes, charts, widgets, and so on—with predefined attributes. You…

If you see document warnings
You might see the Document Warnings window when you: Import a Pages or Word document.…