Rocky road. (The Hardy boys undercover brothers, vol. 5.)

Hardy Boys slam into the new century, cracking a host of new cases! Frank and Joe are sent to Niagara Falls to stop someone from destroying the national landmark. Then they're sent on another case. Then another. They're not usually this busy with ATAC, and their cases are usually more important than these. Seems this case might be more layered than a double dip with chocolate sprinkles. . . . 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. Frank and Joe try to stop someone from destroying Niagara Falls.