* The name is misspelled: Perhaps you're thinking of a similar name like "Harry Ellery" or "Harrison Elmore."
* The author is less known: They may be a smaller-scale writer, self-published author, or write in a specific niche.
* The author is fictional: The name could be a character in a book or other work.
To find the author you're looking for, it would be helpful to know:
* Any other information about the author: Do you know what kind of books they write? What is their genre?
* Any specific titles you may remember: Do you recall any titles of their books or stories?
* Where you encountered the name: Did you see it on a book cover, in a list of authors, or somewhere else?
With more information, I may be able to help you track down the author you're interested in.