In addition to creating the standard books without links, you can also create books that link to topics. When users click the book, it can launch a topic, play sound or video, open an email address for sending messages, or even take users to FTP sites.
Click the TOC tab.
Click New
Book .
In Title, enter the name of the book as you want it displayed at the Contents tab in the HTML Help viewer.
In Type, select Link to Single Topic.
Select a destination by doing one of the following: