Okay, that makes sense. But in my case, I have some book records with multiple formats and then some books are repeated across separate records -- each with their own formats. I don't recall how I imported or converted the books to begin with; but, I suppose, that that might be the result of user "error".
Is there then a way to consolidate separate book records of the same book but with different formats into a single book record of the same book with different formats?
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