There's no need for a new ISBN for each digital version of your book, because these are
just different file formats containing identical information — an ebook is an ebook is an ebook.
Not exact matches
If you have a
different file format like Open Office or Word Perfect, or you have any trouble attaching your book to our Contest Entry form,
just complete the form without attaching your book and your confirmation email will have instructions on how to easily send us your book
file.
I hope they allow us to use a
different format download for our paperbacks, not
just converting the ebook
file.