Quote:
Originally Posted by mores
Just keep it all ... it won't take up too much space and who knows if you'll need it. In Calibre the book shows up only once - so why do you care?

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I'm with you. I keep the original version no matter what format it was in. I tend to buy books for my wife's Kindle and then liberate them for archival using calibre and mobitools. They are just so tiny and Calibre makes them easy to stay organized.