* The name is misspelled. Double check the spelling and try a different search.
* The author publishes under a different name. You may need to look for other possible aliases or pseudonyms.
* The author is relatively unknown. They may be a newer author or someone who publishes in a niche genre.
* You're thinking of a different author. Try to remember any other details about the author or their works.
Could you please provide more information or context about Jean Gamo? For example:
* What kind of books do they write?
* Do you have any titles of their works?
* Where did you encounter their name?
With more details, I might be able to assist you in finding information about this author.