Quote:
Originally Posted by sun surfer
If you are changing the metadata for the book record it sounds like it should change it for all formats of that book but it doesn't so what am I missing here?
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The book record is *just* a row in the calibre library database. It records the metadata that you see in the main GUI, as well as the location and type of any ebook files you have for that book.
You can have a book record without any formats, you know.
When you Edit Metadata in calibre, the database is updated... but Kovid Goyal does not believe that the attached files should be updated as well.
Rationale: don't touch the ebook files, and you won't mess them up if you need the actual original files sometime down the line.
When a file is copied out of calibre, and you will need to read the file with something other than calibre, then at that point you
need the updated metadata. But modifying the files can wait until then.
Embed Metadata is the tool used if one wishes to break that assumption... which is usually safe.
But you don't really need to bother unless you will be accessing the books through the filesystem.
And that should only happen in limited circumstances, for example if you use calibre2opds (in my signature) or sync your library to dropbox and want to download a book on your phone/tablet through the Dropbox app.
The rest of the time, calibre can handle sending a book to where it is needed.