Extreme Danger (Hardy Boys Undercover Brothers Series #1) in Bloomington, MN

ATAC BRIEFING FOR AGENTS FRANK AND JOE HARDY
MISSION:
To find the mastermind behind a possible attack at the Big Air Games.
LOCATION:
Philadelphia, PA.
POTENTIAL VICTIMS:
Top extreme athletes in the country. Thousands of spectators.
SUSPECTS:
There may be a group of extremists working together. There may be just one.