Yeah, lots and lots of unused ISBNs. As an example, O’reilly has the 978-0-596 s...

		eCa on Oct 31, 2022 \| parent \| context \| favorite \| on: ISBNdb dump – how many books are preserved forever... Yeah, lots and lots of unused ISBNs. As an example, O’reilly has the 978-0-596 series. That’s a hundred thousand editions.