Outputting EPUB for iBooks with multiple authors

waynn · 05-28-2013, 07:36 PM

I've been using Calibre for a year now with awesome results when converting from MOBI to EPUB. I recently ran into an issue that I can't figure out how to fix, however. We have a book that's written by two authors (Jack and Jill). When I create the MOBI, I set the <dc:creator> attribute in the story.opf file to "Jack Smith and Jill Lee". Calibre imports it, but when it exports the EPUB file and I upload it to iBooks, it only gets one of the authors. I unzipped the EPUB file and it looks like there are two <dc:creator> fields created (one for each author).

I saw another thread where Kovid specifically said this was how the EPUB file format defines authors, so my question is, am I doing something wrong with uploading it to iBooks? How do I get iBooks to put both authors on one line, versus having one marked as the primary author?

kovidgoyal · 05-28-2013, 09:46 PM

Multiple authors in EPUB should be represented with multiple <dc:creator> tags. It is up to the reading system to decide how to display the authors. If you really want to force it to display both you can put both into a single dc:creator tag using the Tweak Book feature, however, that may have other unwanted side effects.

waynn · 05-29-2013, 01:19 AM

Hey Kovid,

Ah, I see -- so I guess Apple is just buggy with their implementation of EPUB then. Thanks for the quick response! (I actually was just in the process of posting another question, but while I'm responding here, thanks again for an awesome piece of software.)

05-28-2013, 07:36 PM	#1
waynn Member Posts: 12 Karma: 10 Join Date: May 2013 Device: Kindle	Outputting EPUB for iBooks with multiple authors I've been using Calibre for a year now with awesome results when converting from MOBI to EPUB. I recently ran into an issue that I can't figure out how to fix, however. We have a book that's written by two authors (Jack and Jill). When I create the MOBI, I set the <dc:creator> attribute in the story.opf file to "Jack Smith and Jill Lee". Calibre imports it, but when it exports the EPUB file and I upload it to iBooks, it only gets one of the authors. I unzipped the EPUB file and it looks like there are two <dc:creator> fields created (one for each author). I saw another thread where Kovid specifically said this was how the EPUB file format defines authors, so my question is, am I doing something wrong with uploading it to iBooks? How do I get iBooks to put both authors on one line, versus having one marked as the primary author?

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05-28-2013, 09:46 PM	#2
kovidgoyal creator of calibre Posts: 43,826 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Multiple authors in EPUB should be represented with multiple <dc:creator> tags. It is up to the reading system to decide how to display the authors. If you really want to force it to display both you can put both into a single dc:creator tag using the Tweak Book feature, however, that may have other unwanted side effects.

05-29-2013, 01:19 AM	#3
waynn Member Posts: 12 Karma: 10 Join Date: May 2013 Device: Kindle	Hey Kovid, Ah, I see -- so I guess Apple is just buggy with their implementation of EPUB then. Thanks for the quick response! (I actually was just in the process of posting another question, but while I'm responding here, thanks again for an awesome piece of software.)