Amy Freeman, a 46-year-old mother of three, stood recently in the young-adult section of her local Barnes & Noble, in Bethesda, Md., feeling thwarted and disheartened.

She had popped into the bookstore to pick up a welcome-home gift for her 13-year-old, who had been away. Hundreds of lurid and dramatic covers stood on the racks before her, and there was, she felt, "nothing, not a thing, that I could imagine giving my daughter. It was all vampires and suicide and self-mutilation, this dark, dark stuff." She left the store empty-handed.

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