What is the mysterious organization known as ATAC (American Teenagers Against Crime)? And how are detective brothers Frank and Joe Hardy involved? Uncover the clues to these questions as the Hardy brothers take to the skies to crack a diamond-smuggling team of sky-divers and then encounter a young woman whose identity has been stolen or at least that's what a young woman claiming to be Joy Gallagher claims.
In this change of pace adventure, Frank and Joe Hardy discover a rogue mentor agent within A.T.A.C. (American Teens Against Crime) -- when that agent tries to kill them! But it's soon discovered he was being manipulated by malevolent forces who kidnapped his child -- and now the Hardy Boys have only until dawn to find the man's son!
"The evil female counterparts of the Hardy Boys, the Sisters Noir, and their equally evil father return to create serious chaos! Joe and Frank are working out at a top-secret training facility on the grounds of A.T.A.C. headquarters when the compound is set-upon by Poppa Noir's anti-justice organization. The only two people who are available to free the captured adult ATAC agents are the Hardy Boys, and they have their hands filled battling their...
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 Library of Education in Washington, D.C. It might sound easy, but before this assignment is done, they're going to need help from the most unexpected ally of all ... their mom, librarian Laura Hardy!
"Has talk radio gone too far? Looks like a first-time caller, long-time listener wants to silence teen radio commentator John Pryde-- permanently! So, it's up to Frank and Joe Hardy to keep him on the air. The Undercover Brothers may not agree with the boy's provocative views, but they will risk life and limb to protect his right to say it!"--P.  of cover.
"Frank and Joe go undercover at a national spelling bee where a mysterious madman known as the Hangman is determined to erase the competition! Teens from across the globe have been invited to attend, and A.T.A.C. and the Hardy Boys have to do everything they can to keep the Hangman from spelling disaster!" -- fromn publisher's web site.
Frank and Joe are accused of crimes they never committed that involve almost every one of their past missions. On the run, the Hardy Boys encounter old friends and foes but must find out who has framed them before it's too late and A.T.A.C. catches them!