Quote:
Originally Posted by chaley
Calibre provides no GUI or command line method that I know of to set or change a book's UUID. You can change a UUID by writing directly to the database (very dangerous) or by changing calibre's source code.
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Or, in the case of an epub, by opening the ebook in Sigil and editing the content.opf file.
However, I suspect that running a book through Calibre removes its trackability...along with its sync-ability. If it can be synced across multiple devices, *someone* is tracking *something.* But it's likely that tracking is removed from tracking-of-purchased-books, because after it's gone through Calibre, the seller can't be sure what has changed--is it the same book? Were new sections added? (Two books in a series combined into one ebook, perhaps.) Was the font changed? Were pictures added? Was it translated to another language? Annotations merged into the main text? (I have a digital copy of Bujold's "Shards of Honor" that has a link to a 20,000-word fanfic in the middle, so I could re-read the book, stop and switch to the fic, and go back to the main story without losing my sense of the timeline.)
Without taking the book apart and reading it, they can no longer know if it's the "same" book that was purchased, and there's no point in tracking how it's read.