* The name is misspelled: Double check the spelling to see if a different name is closer to the one you're looking for.
* The author is not well-known: Authors with less recognition might not have a strong online presence.
* The author uses a different pen name: Many authors choose to publish under a pseudonym.
* The author writes in a niche genre: If the author specializes in a very specific genre or subject, they may not be as easily found through general searches.
To find more information, you could try:
* Searching with variations of the name: Try searching for "Joan Epperson," "Joan Giles," or "Epperson Giles" to see if you can find anything.
* Checking online databases: Websites like WorldCat or LibraryThing may have records of published works even for less well-known authors.
* Contacting a library: A librarian may be able to help you find more information about the author or their works.