Eating candy nonstop and watching TV all day sounds great . . . until you actually do it, as the kids of Bayport High find out when all the adults vanish, and the world's greatest (high school) detectives--the Hardy Boys and Nancy Drew --have to team up to solve the mystery Whether it's going under cover, sneaking out at night, chasing weird buses, or following a strange smell, they know it'll take all their wits and smarts to get their parents and...