Hyperlinks add interactivity to an eBook by providing a means of navigating to desired information quickly and easily. Using links, an eBook reader can jump to a different place in the current page, call up other pages in the eBook, and even retrieve other documents on a network or download pages from the World Wide Web. When you create a link in Acrobat 6, you define an area in the document for the link, choose whether it appears visible or invisible to the user, and specify what occurs when the user clicks the link. Acrobat 6 lets you create internal links that navigate to destinations in the current document —a table of contents link, for example — as well as external links that retrieve other documents on a network or Web pages from the Internet. One of the main goals in using an eBook authoring program that can export its documents to PDF is that the majority of links you might need in your eBook can be set up in the authoring program and automatically converted to PDF during the export process. There are times, however, when you’ll want to edit those export-generated links or add new links to your eBook. The following sections take you through the process.
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