Paranormal Romance & Urban Fantasy discussion

They probably meant:

noir (nwär)
adj.
1. Of or relating to the film noir genre.
2. Of or relating to a genre of crime literature featuring tough, cynical characters and bleak settings.
3. Suggestive of danger or violence.
[Short for film noir + Sense 2, short for French roman noir, black novel.]

Maybe it means 'no original research'?

Kristina wrote: "Maybe it means 'no original research'?"

That is probably what it means or it could mean notice of revision.
As in, it is a second release of the book maybe with a different title. That happens a lot in re-releases of old books.