It's possible that:
* There's a typo: Perhaps the author's name is slightly different. Could you double-check the spelling?
* The author is less known: The author might have written in a specific niche or language, making them less known.
* The author uses a pseudonym: It's possible they use a different name when writing.
To help me find the correct author, please provide more information:
* What kind of books do you think they write? (Genre, subject matter)
* Do you know any other details about them? (Nationality, time period they lived in, etc.)
With more information, I might be able to help you find the author you're looking for.