Beyond ebooks: Making apps with HTML, CSS, and Javascript

A lot of books, particularly non-fiction, would be far more useful and valuable to readers as larger-scale digital products, rather than as ebooks, but the development of this can be incredibly involved and costly. However, it is possible to build applications using mostly languages that ebook developers are familiar with already. Witness the live development of such an app and walk away with the skills needed to push forward innovation at any publisher.