* The name is slightly misspelled: Check for variations like William R. Byars, William Byers, etc.
* The author is not well-known: Perhaps they wrote niche works or are a new author.
* There's a misunderstanding: You might be thinking of another author entirely.
To help me identify the author, could you provide more context?
* What genre do you think they write in?
* Do you have any book titles or other details?
* Where did you come across this name?
The more information you give me, the better I can help you find the author you're looking for.