Frank and Joe Hardy search for clues to solve the mystery of the Beast-o-matic, which crazy inventor Mike Mendez has apparently used to turn their friend Chuck into a dog.
Frank and Joe Hardy become involved in a large and dangerous conspiracy while trying to keep the valuable invention created by one of their father's clients from falling into the hands of thieves.
A graphic novel in which Frank and Joe Hardy, Callie, and Iola must recover the Ocean of Osyria, an art treasure taken from a Middle Eastern museum, in order to save their best friend, Chet, who has been accused of stealing it.
Young detectives Frank and Joe Hardy, investigating the disappearance of a professor, encounter a hot-tempered hermit, and sabotage at the radar station and Honeycomb Caves.
Frank and Joe Hardy, selected to be among the first contestants on a reality-based game show filming in Bayport, find themselves on the defensive when their success at the game leads jealous competitors to blame them for problems on the set.
Frank and Joe Hardy suddenly find themselves wanted men, accused of crimes that strangely relate to all of their earlier missions, and must discover who is behind the frame-up before the authorities catch up with them.