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.epub Simplified
Zipped Website Container/Organizer for the eReader
If the book you are writing were a web site, it would have parts like:
- Words
- Pictures
- Fonts
- Links
So ..., "yourbook.epub" could be opened in an Apple iPad, for instance, as a book container with all those parts inside (and maybe more).
Check out the Adobe Video on Publishing EPUB: 
Pages-to-ePub
1. Starting with Apple's Pages
- Write your .pages book
- Export to 'PDF'
2. Open the Calibre.app
- If you don't have Calibre, get it here
- Import the 'pages'.pdf into Calibre
- Take a second to add metadata in Calibre
- Highlight imported PDF and Convert E-Books button
- In the conversion window add your book's cover art
- export as .epub
3. Open the Sigil.app
- Open your .epub file and be patient
- Edit as needed to finish
A resulting test .epub document retained almost all of its formatting. Tweaks applied in Sigil including:
- Centering graphics
- Adding an occasional return where two lines of different paragraph styles had run together.
Everyone interested in a true Export-to-EPUB feature from Apple's Pages should send feedback to Apple via the Pages Feedback Form.
Here's my feedback message:
Please add an Export-to-EPUB from Pages. An EPUB strict document type would also be a welcome feature to thousands of authors and ebook publishers.
Apex Toll
The Place of Answers
Also available on:
- Kindle: $3.99
- Paperback Book: $12.99
(Eligible for Free Super-Saver Shipping)
Every quality word processor should have an 'Export' or 'Save As' feature for the .epub file extension and structure.
Apple's iWork Pages software is ideally suited to this export feature evolution because it already works well with the XML code that .epub uses.
MS-Word has an excuse for being slow to adopt the Export as EPUB feature because of their .docx court case setback.
More in the future ...