What’s new with EPUB?

EPUB3 is a big step forward but we haven't seen all the benefits it has to offer

This month’s TOC theme is “formats.” Even though our customers still tend to favor PDF it’s clear that mobi and EPUB are the formats with all the momentum. In order to get the scoop on EPUB I decided to go right to the source. The IDPF is the organization that develops and maintains the EPUB standard and Bill McCoy is the IDPF’s Executive Director. Bill was kind enough to sit down and talk with me about the current state of EPUB and where it’s heading.

Key points from the full audio interview (below) include:
  • HTML5’s impact — EPUB3 is based on HTML5 and brings with it all the rich functionality that HTML5 has to offer. Global language support and accessibility are two very important improvements in EPUB3.
  • Why do we need both EPUB3 and HTML5? — Bill points out that EPUB is a “reliable container” within which HTML5 content can be distributed. EPUB also allows you to step back from HTML5 coding and focus more on the structure of the document itself.
  • Fixed layout — PDF is designed with fixed layout in mind whereas EPUB not only supports fixed layout but it also offers the reflowable option as well as a hybrid solution for those situations where both fixed and reflowable are needed in the same product.
  • 12 years in the making — I’m puzzled over why it’s taking so long for EPUB3 support to show up on devices and in apps. Bill reminds me it was a pretty significant jump from EPUB2 to EPUB3 but that we’re already seeing signs of significant progress.
  • Beyond today’s EPUB3 — Bill prefers to focus on EPUB3 but I did manage to pry a few details from him about what we can expect in the future: Advanced fixed layout (e.g., Manga), adaptive layout (page templates), dictionaries, indexes and annotations.

For more information be sure to download a copy of our free ebook, co-published with the IDPF, What Is EPUB3? If you’re attending the Frankfurt Book Fair you’ll also want to register for TOC Frankfurt to hear Bill and I debate the pros and cons of DRM. (Are there really any DRM pros?!)

You can listen the entire interview in the audio player below.

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