* The name is misspelled: Double-check the spelling of the author's name.
* The author is relatively unknown: They may be a self-published author or write in a niche genre.
* The author uses a pen name: Many authors use pen names.
To help me find more information, could you please provide:
* Any additional information you have about Millard Bennett, such as a genre they write in, a book title, or a publishing house they're associated with.
* The context in which you encountered this name.
With more details, I can help you track down the author and their works.