Frank and Joe try to stop the illegal international CD-burning operation that employs teenagers.

Mission: To stop movie actress Anya Archer's attackers before the blow up everyone at the Big Apple Awards at Radio City Music Hall, New York.

Frank and Joe travel to Massachusetts where they investigate a death and other mysterious events occurring at an amusement park.

Frank and Joe travel to Philadelphia where they intend to prevent an attack on an extreme sports contest called the Big Air Games.

Frank and Joe investigate rumors that someone involved with Pinnacle College's top-seeded football team is being bribed to throw the championship game.

Joe and Frank Hardy win a contest to be handlers for a Green Crawler balloon in the annual fall festival, but when the balloon is sabotaged the day before the parade, the brothers must investigate.

The Hardy brothers investigate injuries to students at the Rising Phoenix Martial Arts Center to see if they are connected and if someone at the school is to blame. The Hardy brothers investigate injuries to students at the Rising Phoenix Martial Arts Center to see if they are connected and if someone at the school is to blame. Book #9.

In Private Killer, Frank and Joe continue their undercover investigation of Gamma Theta Theta, a mysterious-turned-dangerous fraternity at an all-boys New England boarding school. The headmaster's meddlesome, trouble-making daughter is in danger, and it seems like the fraternity members-and even some faculty-will stop at nothing to protect their secrets.

When television wildlife celebrities Jumpin' Jack and his son bring their menagerie to Bayport Elementary, Frank and Joe are on the case for a boa constrictor that goes missing.

When Frank and Joe Hardy are sent to a tropical island resort to investigate a string of thefts, they soon feel like missing jewelry is the least of their concerns--a sentiment echoed by Nancy Drew, Bess, and George who are staying at the same hotel as guests.