[Done] Merge requests

[Heejin]

These two are the same book:
https://www.goodreads.com/book/show/6...
https://www.goodreads.com/book/show/1...

So are these two:
https://www.goodreads.com/book/show/7...
https://www.goodreads.com/book/show/1...

(They are in the same series. The first two are #4 and the second two are #5)

I'd like to merge these two duplicate listings. The second ones have different ISBNs (and English titles), but they are the same Korean editions as the first listings. The difference is the second listings are of a "limited edition", but this "limited edition"'s books themselves are the same as the original edition. They added all those merch to the books and made it a "limited edition" and gave different ISBNs. And these ISBNs only appear in bookseller sites and not in the national library.

This is the listing of the "limited edition" for the #4 book, from a bookseller site: https://www.aladin.co.kr/shop/wproduc...
(I know we can't add info from a bookseller site; I'm pasting this just to show what this is. This ISBN doesn't appear in other non-bookseller sites.)
The listing's title can be translated as
"Villains Are Destined to Die 4 (Winter Acrylic Stand + 8 Famous Scenes and Lines Accordion Postcard + 2 Character Cards of Duke Eckhart & Emily + Limited Edition Illustration Board)"

So even though I couldn't find any mention about this specific case from the librarian manual, because the book themselves are exactly the same and the "limited edition"'s ISBNs don't even appear in the national database, I thought they are OK to merge with the original books.

The second listings have 5+ reviews each, so I would need help from a superlibrarian.
Also, to merge two books, I read that we have to separate those two books from all the other books so that we can safely transfer reviews from one to the other. But because the first listings (the original Korean books) are apparently the original and the most popular editions, and TIL I can't separate the most popular editions from other editions. But I guess that's fine, because when a book is deleted, the reviews are transferred to the most popular edition, which is the one I'd like to merge the book with, right?

Anyway, sorry for the long post, and I always appreciate your help!

[David]

First request: Both editions have valid ISBNs and we are never supposed to remove an edition with a valid ISBN. If the author or publisher says they are incorrect, they can contact support and have them removed. In this case even more so, because ISBN 9791167770448 was added by a librarian, supposedly from Book in Hand evidence, while ISBN 9791167770455 is a special edition (with extra cards) still carried by Amazon.

Second request: Again, both editions have valid ISBNs so we are not supposed to remove them. ISBN 9791167770530 was added by the same librarian as above, again, we are to suppose Book in Hand. ISBN 9791167770578 is again a special edition still carried by Amazon.

An edition with a different valid ISBN (or a Kindle/Audible with a different ASIN) is never OK to merge.

[Heejin]

I see. I didn't think to search in Amazon (given that most Korean books are not there). Thanks!

[David]

Just to be clear, the fact that it exists on Amazon is important in identifying the edition, but it was not the main point in refusing the merge request. The main point was that valid ISBNs are not to be merged by librarians. We only merge invalid ISBNs.

[Heejin]

Yeah I understand that part too. I somehow assumed those ISBNs were either invalid or fishy because they didn't appear anywhere else including the Korean national library, but apparently they were valid ISBNs.