Since new classmate Sally Champion seems to be afraid of nothing, the kids who publish their own newspaper, "Street Wise," come up with a contest to see if anything will frighten her, but while exploring the museum at night, they discover that the bones of the great scaly ockersaurus, the world's rarest dinosaur, are missing.The kids who publish "Street Wise" try to see if anything will scare fearless Sally, but meanwhile they discover that rare dinosaur bones are missing