Quote:
Originally Posted by mr ploppy
What do you get when you buy one from Smashwords, do you get one for each format or just one for all of them?
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They only supply an ISBN for the EPUB version of your ebook, since that's the version that goes to Sony and Apple, the two ebookstores they distribute to that require ISBNs.
Quote:
Originally Posted by Worldwalker
The easy convertibility of formats makes that sound rather insane.
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Not really. The point of an ISBN is that it identifies a specific version of a specific book - if a book has an ISBN, that ISBN should be unique to that format, edition and title. So you could, for example, order a book using the ISBN, and know exactly what you'll get. If the ISBN was the same for EPUB, MOBI, PDF, LRF, etc, it would no longer be an exact and unique identifier, which is what an ISBN is intended to be.