Confused about why young-adult science fiction and fantasy are growing so much faster than their adult counterparts? YA authors will answer your questions in New York this evening. They're even prepared to discuss the popularity of Twilight.

You can't be beautiful and immortal until you abandon your meatsack! Surrogates, opening Friday, shows a culture that's gone over to robot avatars. But here are ten other universes where you could abandon your flesh for a shiny, perfect robo-body.