What has the author R Folz written?

There is no widely known author named "R Folz." It's possible that you are thinking of a different name or have misspelled the author's name.

Could you please double-check the spelling or provide more context about the author or their work?

For example, do you remember:

* Any other details about the author? (e.g., their full name, nationality, genre they write in)

* The title of a book they wrote?

* A specific subject they write about?

With more information, I can help you find the author you are looking for.