I have just completed publishing on my web site and YouTube my reading
of The Man That Corrupted Hadleyburg.

  http://bsh.bscottholmes.com/Hadleyburg

I didn't find it so much a Faustian tale but more an instance of the
devil coming to collect his due.  The town had sold their souls long
before the stranger came and tempted them.  I was gratified to read in
the introduction and afterward of The Oxford Mark Twain edition
corroboration of my own opinion albeit far more knowledgeable than my
own.