Here are some possibilities:
* It could be a pseudonym: Many authors use pen names, so the author could be known under a different name.
* It could be a less known author: There might be a James E. Stevens who has written books, but they might not be widely published or well-known.
* The name could be misremembered: There could be a similar name that you're thinking of, like James Stevens or James E. Smith.
To help me find the author you're looking for, please tell me:
* Any other details you remember about the author or their work: Do you know what type of books they write? Do you remember any specific titles or characters?
* Where you encountered the author's name: Was it on a book cover, website, or in a recommendation?
With more information, I can help you track down the author and their works.