* The name is misspelled. Perhaps there's a similar name like John O'Gooch or John Gooch.
* The author is less well-known. They might have written niche works or published under a different name.
* The information is incorrect. It's always good to double-check sources.
To help me find more information, could you please provide:
* Any additional context? For example, what kind of books are you looking for?
* Where did you see this name? Was it in a book, article, or online?
With more information, I can try to find the author you're looking for.