03-11-2014, 06:43 PM | #1 |
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ISBN on public domain ebooks?
Hello
I used the search function, but didn't find an answer to my questions, so forgive me if I missed something ... As far as I know, every ebook needs it's own identifier number (usually the ISBN Number), just like a paper book. In epub the code looks like this Code:
<dc:identifier id="PrimaryID" opf:scheme="ISBN"></dc:identifier> |
03-11-2014, 08:27 PM | #2 |
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The isbn identifier doesn't matter, it's not required. If one is available, you can put it in, or ignore it. Since in this case there is no ISBN, you have to ignore it.
Last edited by eschwartz; 03-12-2014 at 12:22 AM. |
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03-11-2014, 11:24 PM | #3 |
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@NASCARaddicted--if you are concerned about it, use UUID unique identifier instead. Sigil generates a tag that looks like this:
<dc:identifier id="BookId" opf:scheme="UUID">urn:uuid:29d0d5ab-896f-4667-8e4f-38c5eca2d78f</dc:identifier> But as far as I know, you can replace that long alpha-numeric string with anything you choose. For example: NASCAR-book001-15-03-2014 edit to add-- See discussion at this thread: https://www.mobileread.com/forums/sho...d.php?t=213906 Last edited by GrannyGrump; 03-11-2014 at 11:34 PM. |
03-12-2014, 12:25 AM | #4 |
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When creating a book, Sigil and calibre will both generate a UUID dc:identifier.
The ISBN identifier is just a regular metadata field, like subject, publisher, comments, etc. |
03-12-2014, 12:27 AM | #5 |
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Although you could use it as the dc:identifier, that wouldn't be unique, which is the main purpose of the dc:identifier anyway, come to think of it...
Doesn't matter anyway, though, if there isn't one. |
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03-12-2014, 05:38 AM | #6 |
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Thanks for your reply guys, it really helped me.
Either I will leave it empty, or I will use something like GrannyGump suggested it. I could use my nickname and a consecutive number, because I also have some other public domain books, that I am working on. As for Calibre or Sigil - I don't use them. I prefer to do it all by hand, just with Notepad ++ |
03-12-2014, 10:01 AM | #7 | |
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Quote:
But as other have said, you don't need an ISBN for your book, just some unique identifier, which you can make up yourself. |
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