Rocky Road, Paperback/Franklin W. Dixon

ATAC BRIEFING FOR AGENTS FRANK AND JOE HARDY MISSION: Someone is suspected of planning the destruction of Niagara Falls. Find and detain the culprit before any damage is done. LOCATION: Niagara Falls, Canada POTENTIAL VICTIMS: Tourism in the area. Tourists. SUSPECTS: No further information at this time. THIS MISSION REQUIRES YOUR IMMEDIATE ATTENTION. THIS MESSAGE WILL BE ERASED IN FIVE SECONDS.