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Why would you expect otherwise? Titles are assigned ISBNs by publishers as they are being published. Books published simultaneously as a set might have sequenti
by Finnucane 2y ago
Why would you expect otherwise? Titles are assigned ISBNs by publishers as they are being published. Books published simultaneously as a set might have sequential numbers, but otherwise not. Books separated by a year or more are not going to have related numbers. It's an inventory tracking mechanism, it has no other meaning.