It's possible:
* The name is misspelled: Double check the spelling.
* The author uses a different name: Maybe they publish under a pseudonym or a different variation of their name.
* The author is not widely known: They might be a lesser-known author or have published only in specific niche areas.
Could you please provide more information about the author, such as the genre they write in, the titles of any books you know they've written, or any other details? This would help in identifying the correct author.