Aristotle

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.

And what could be a hotter ticket than the improbable triumph of 'The Book of Mormon,' the musical-comedy moon shot of the season? Its creators, Matt Stone and Trey Parker, of Comedy Central's 'South Park,' are the most unlikely Rodgers and Hammerstein team ever to bowl a thundering strike.