It's possible that:
* You have a misspelling: Perhaps the author's name is slightly different. Could you double-check the spelling?
* The author is less well-known: This author might be relatively obscure.
* The author is fictional: It's also possible that "Nicolas de Corberon" is a character in a book or fictional universe.
To find out more, please provide more information about the context where you encountered this name. For example:
* What genre of writing are you interested in? (e.g., fiction, non-fiction, poetry)
* Where did you find this name? (e.g., a book title, a website, a list of authors)
* Do you know any other details about the author or their work? (e.g., approximate publication dates, themes, etc.)
With more information, I might be able to help you identify the correct author.