* The name is misspelled. Perhaps you are thinking of a different author with a similar name.
* The author is not well-known. They might be a self-published author or one who writes in a niche genre.
* The author is relatively new. It is possible that they have just started their writing career.
To find out more about this author, please provide:
* A full name (including any middle names)
* Any specific titles or genres you know they write in
* Any other information you have about them, like their website or social media profiles.
With more information, I can help you find out more about "Dean Mathey" and their writings.