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BetterRed · 10-01-2014, 10:14 PM

@Engrish - in a word - no

Those numbers are for calibre's internal use only, you shouldn't rely on them being contiguous or in any other way meaningful, or that they will even exist into the future.

You can open a book file in the viewer by associating its file type (e.g. epub) with the book viewer program. How you do that will depend on which OS you use - Windows, OS/X or Linux. The book file can be anywhere - on your desktop, in your downloads folder, on a thumb drive etc in an email as an attachment

BR

10-01-2014, 10:14 PM	#2
BetterRed null operator (he/him) Posts: 21,745 Karma: 30237526 Join Date: Mar 2012 Location: Sydney Australia Device: none	@Engrish - in a word - no Those numbers are for calibre's internal use only, you shouldn't rely on them being contiguous or in any other way meaningful, or that they will even exist into the future. You can open a book file in the viewer by associating its file type (e.g. epub) with the book viewer program. How you do that will depend on which OS you use - Windows, OS/X or Linux. The book file can be anywhere - on your desktop, in your downloads folder, on a thumb drive etc in an email as an attachment BR Last edited by BetterRed; 10-01-2014 at 10:20 PM.