What has the author Michael Grieg written?

There's no widely known author named "Michael Grieg." It's possible there is a lesser-known author with this name, or you might be thinking of a different name.

To help me find what you're looking for, could you please provide more context?

* Is there a specific book or genre you're interested in?

* Can you remember any other details about the author, like their nationality or the time period they write in?

* Is it possible you're thinking of a different name?

With more information, I can try to identify the author you're looking for.