Lesson C: ePub (and HTML)
When you read an ePub (also known as an e-book, or electronic book), you’re actually viewing a collection of files. These are mostly HTML files, with CSS files (Cascading Style Sheets) to control the look and feel, and other, more esoteric formats as well. These are all hidden from view inside a container we experience as an ePub “file.”
Because ePubs are predominantly HTML, many of the concerns we have when exporting them are the same as when we export HTML without an ePub container.
Exported HTML can be viewed in any web browser program. But ePubs from InDesign require special applications to look at them afterward. Adobe makes its own called Adobe Digital Editions, but I prefer other applications. If you use a Mac, ...