1. Go to her LiveJournal and read all about it. It's a tasty bit of theatre about everyone's favorite megacharlatan. L. Ron "Xeemu" Hubbard.
2. Since the Fringe Festival provides showcases, not financing, she'll need all the help she can get staging the thing. If you're a kindly, arts-supporting sort, drop her a few bucks via the PayPal link on the show's official site.
3. If you are in New York, or will be during the dates of the show, GO SEE THE GODDAMN THING already! That would make her very happy indeed.