* The name is misspelled. Could you double-check the spelling?
* The author uses a pen name. Do you know any other names they might use?
* They are a less known author. It's possible they have written books, but they might not be widely published or well-known.
If you can provide more information, like the genre of the book you're interested in or any specific titles you've heard, I might be able to help you find more information about the author.