Download or read book Extreme Danger written by Franklin W. Dixon and published by Simon and Schuster. This book was released on 2010-05-11 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.