What has the author Franz Josef Worstbrock written?

There is no author named "Franz Josef Worstbrock" that is commonly known or has published works listed in major databases. It's possible that:

* The name is misspelled: Double-check the spelling of the author's name.

* The author is obscure: The author may have published works that are not widely known. You might try searching for them on less common databases or online booksellers.

* The author is fictional: The name might be made up for a specific purpose.

If you can provide more context or information about where you encountered this name, it might be easier to determine if the author is real and what they have written.