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EPUB Boot Camp: Under The Hood

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EPUB Boot Camp: Under The Hood

  1. 1. EPUB for Independent Publishers   What’s Under the Hood?
  2. 2. Who Helped? <ul><li>Michael Smith – IDPF </li></ul><ul><li>Megan Cowie – BNC </li></ul><ul><li>Brian O’Leary – Magellan Media </li></ul><ul><li>Phil Madans – Hachette </li></ul><ul><li>Frank Grazioli – Wiley </li></ul><ul><li>Liza Daly – ThreePress </li></ul><ul><li>Andrew Savikas – O’Reilly </li></ul>
  3. 3. EPUB Derivation <ul><li>Based on XML </li></ul><ul><li>Makes use of XHTML and DTBook </li></ul><ul><li>Compliant with CSS 2.0 </li></ul>
  4. 4. Who’s Afraid of XML? <ul><li>XML is easy – it’s text! </li></ul><ul><li>You’re already doing XML  ONIX! </li></ul><ul><li>EPUB is just another flavor of XML, as ONIX is </li></ul>
  5. 5. What is EPUB? <ul><li>Three specs that make up EPUB </li></ul><ul><li>What it’s used for </li></ul><ul><li>Why it’s important </li></ul>
  6. 6. Three Specs That Make Up EPUB <ul><li>Open Publication Structure - OPS </li></ul><ul><li>Open Packaging Format - OPF </li></ul><ul><li>Open Container Format - OCF </li></ul>
  7. 7. Open Publication Structure (OPS) <ul><li>Standardized way of representing digital content for electronic reading devices </li></ul><ul><li>Publishers sell digital content to many aggregators </li></ul><ul><li>Need a single standard so as not to produce multiple file formats </li></ul>
  8. 8. Open Packaging Format (OPF) <ul><li>Describes the components of the OPS publication </li></ul><ul><li>Provides metadata (like ONIX does) </li></ul><ul><li>Specifies the reading-order of the publication (which components are meant to be read first, second, last) </li></ul>
  9. 9. What’s OPF For? <ul><li>Specifies how the OPS publication is to be used/packaged </li></ul><ul><li>Provides supplementary information about the OPS document </li></ul><ul><li>Provides a way to declare a table of contents </li></ul>
  10. 10. Open Container Format (OCF) <ul><li>Collects the OPS and OPF files in a single “container” file (usually a ZIP file) </li></ul><ul><li>Defines the rules for the ZIP container files </li></ul>
  11. 11. What’s OCF For? <ul><li>Is the single-file format when exchanging in-progress publications between different individuals and/or different organizations. </li></ul><ul><li>Is the recommended single-file format to be used as the transport mechanism between publisher and distributor. </li></ul><ul><li>When delivering the final publication to the end-user, OCF is the recommended format for the single-file container that holds all of the assets that make up the publication. </li></ul>
  12. 12. What Is EPUB Used For? <ul><li>Neutral, standard format for sending and receiving ebooks </li></ul><ul><li>Allows publishers to make sure that ebooks appear the same way on most devices </li></ul><ul><li>With widespread adoption, reduces the need to produce ebooks in multiple, device-specific formats </li></ul>
  13. 13. Why Is EPUB Important? Kindle
  14. 15. Getting Down and Dirty <ul><li>Converting Word to EPUB </li></ul><ul><li>Converting HTML to EPUB </li></ul><ul><li>Converting InDesign to EPUB </li></ul><ul><li>Tools </li></ul>
  15. 16. Converting Word to EPUB <ul><li>Word 2007 is based on XML </li></ul><ul><li>Many options – some say too many </li></ul><ul><li>“ Tag pollution” – MS imposes its own tags on the doc </li></ul><ul><li>Not many tools available to clean up a Word XML document </li></ul><ul><li>BookGlutton does Word  HTML  EPUB </li></ul><ul><li>Calibre does TXT  EPUB </li></ul>
  16. 17. Converting HTML to EPUB <ul><li>Very few tools…for a reason </li></ul><ul><li>BookGlutton – accepts one HTML file at a time </li></ul><ul><li>Calibre – primarily a cataloguing system but does HTML  EPUB conversions </li></ul><ul><li>Caveats </li></ul><ul><ul><li>HTML is ridiculously styled/coded, unstandardized </li></ul></ul><ul><ul><li>Unlike XHTML, can’t be tied back to an XML doc and validated </li></ul></ul>
  17. 18. Converting InDesign to EPUB <ul><li>Supported by InDesign </li></ul><ul><li>Caveats </li></ul><ul><ul><li>Have to use InDesign functionality (no freehand styling) </li></ul></ul><ul><ul><li>EPUB requires a separate XHTML stream for each section or chapter - thus each section of an ebook should be created as a different document in InDesign </li></ul></ul><ul><ul><li>Other documented issues </li></ul></ul>
  18. 20. Tagging and Chunking Best Practices
  19. 21. Tagging
  20. 22. Types of Tags
  21. 23. How to Tag
  22. 24. Chunking
  23. 25. What Is Chunking?
  24. 26. How Low Can You Go?
  25. 27. When Do You Stop? Military History Book Chapter Description of Battle Capsule Bio of General Description of General’s Shrewish Aristocratic Wife Mention of G.S.A.W.’s Best Friend Mathilde Lengthy Digression on Mathilde’s Fashion Sense and Literary Salon Mention of Viscomte Bruno Heffendorf, interloper and troublemaker
  26. 28. Tagging & Chunking Workflow
  27. 29. Who Tags What When
  28. 30. Author-centric workflow
  29. 31. Who Tags What When
  30. 32. Editor-centric workflow
  31. 33. Who Tags What When
  32. 34. Production-centric workflow
  33. 35. Who Tags What When
  34. 36. Marketing-centric workflow
  35. 37. Who Tags What When
  36. 38. Subrights-centric workflow