Wow, some people go a long way to deny the human body's existance. Face it people, everyone's got one or the other, there's no secret here.
Nudity for the sake of sexual or erotic gratification is one thing, nudity for the sake of art, literature, or whatever shouldn't be a problem. Would they ban pictures of Michelangelo's David? I'd say Stewart's book has to rank up there w/ David