Books in Hardy Boys Casefiles, No 3 series

Gathers three previously published stories from the Hardy Boys Casefiles series, Rock 'n' Revenge, Choke Hold, and Uncivil War, in which Frank and Joe try to find out who turned a Civil War reenactment into the real thing. Original.

On a salvage operation off the coast of Florida, the Hardys discover a sunken Nazi U-boat and its deadly secrets, and are soon fighting off a deadly adversary. Original.

The Hardys travel to Idaho to learn the wilderness sport of orienteering, but Frank, Joe, and their instructor, Rob Niles, run into some treacherous terrain, and their courage and resourcefulness are stretched to the limit. Original.

Helping a friend move into his dorm, Frank and Joe Hardy are astonished when the friend's roommate is kidnapped at the height of a campus war involving eco-terrorists and a visiting American diplomat. Original.

None

Falling for the pretty new chemistry teacher at Bayport High, Joe Hardy is called upon to clear her name when she is charged with murdering her former supervisor by deliberately mislabeling an important chemical. Original.

When their friend is aggressively targeted by two colleges that want him for his basketball talents, Frank and Joe find themselves in the middle of a deadly mystery when Bayport U's basketball coach is murdered. Original.

While studying at Oxford University for the summer, Frank and Joe Hardy discover the perils of international relations when their new friends, Soviet twins Pyotr and Petra Zigonev, are kidnapped to force their father, a Soviet peace negotiator, to sabotage the arms talks

While attending a comic book convention in San Francisco, Frank and Joe witness the kidnapping of celebrated publisher Barry Johns--an event they dismiss as a publicity stunt until someone destroys a priceless art collection

The Hardy brothers, Frank and Joe, are back for further adventures in this story, in which the person out to murder their father may turn out to be their best and most trusted friend.

Frank and Joe agree to help professional wrestler Sammy "The Kung Fu King" Rand when he is the victim of a series of "accidents," and the brothers are soon squaring off against the likes of Tomahawk, the Constrictor, and Major Disaster

Callie Shaw's encounter with her French pen pal, Madeleine Berot, has unexpected results when the Hardy boys discover that the girl whom Callie met is an imposter and that the real Madeleine and her family are being held hostage