Is Young Adult Fiction the "Slum" of Scifi?

Over the weekend, NY Times science fiction columnist David Itzkoff wondered "how any self-respecting author of speculative fiction can find fulfillment in writing novels for young readers." This didn't sit well with the Boston Globe's Brainiac blogger Joshua Glenn, who writes: "I attempted to disprove . . . Itzkoff's… » 2/05/08 2:10pm 2/05/08 2:10pm