OEBPS/ Content• Contains all viewable documents (XHTML & .jpg) and stylesheets (CSS)• Contains the .opf file• Contains the . ncx file (replaced in EPUB3 with a simplified toc.html file, but only for EPUB3 devices)
Finishing the File• Once all files are created they and added to the appropriate files, you will need to rezip the files.• Every file but the mimetype gets zipped (mimetype must be read first).• You can do this through the command line/ terminal, script, or through an Epub program like Calibre.• Once zipped, you need to validate.
Validation• Like all mark-up languages, EPUB needs to be validated.• It will pick up errors in ncx opf and html files.• It will alert missing or miscapitalized files.• Use EPUB Check available from Google code or Safari.
Free Tools• Coding – Notepad++ (PC) – TextWrangler (MAC) – iBooks author (MAC)• Creating/ Zipping – Sigil – Calibre – ePub Zip from MobileRead• Quality Checking – Adobe Digital Editions – EpubCheck – Kindle Direct: Gen & Previewer
Resources• Twitter: #eprdctn• Liz Castro – EPUB Straight to the Point – Pigs, Gourds, & Wikis• Mobile Reads Forum• IDPF• DefectivebyDesign.org