What has the author Achill Wenzel written?

It seems you're asking about an author named "Achill Wenzel." However, there is no widely recognized author with that name. It's possible there may be a lesser-known author or a name misspelling.

To help you further, could you provide any additional information you might have, such as:

* A specific book title or genre they might have written in?

* Any other clues about the author's background?

* Are you sure about the spelling of their name?

With more context, I can better assist you in finding information about this author.