What has the author Thomas Gumbrielle written?

There is no known author named Thomas Gumbrielle. It's possible there is a misspelling or that the name is not widely known.

Could you please double-check the spelling or provide more context? For example:

* Are you sure about the spelling? Perhaps it's a different variation.

* Do you remember any of the books or topics they wrote about?

* Is there a specific book or publication you're looking for?

With more information, I might be able to assist you in finding the author you're looking for.