Someone has made death threats against a high school talk radio host... and it's up to Joe and Frank Hardy to find out who is making these threats and why. Befo

Someone has made death threats against a high school talk radio host... and it's up to Joe and Frank Hardy to find out who is making these threats and why. Befo

Frank and Joe investigate a bomb threat.

Joe and Frank find themselves on the strangest bodyguard duty ever--protecting the five children of a visiting dignitary during a field trip to the National Lib