Timber wolves, a Rocky Mountain blizzard, and a mine cave-in are only a few of the perils Frank and Joe Hardy encounter during their search for the principal members of a notorious gang responsible for a payroll robbery. In the old Montana mining camp of Lucky Lode, the young detectives puzzle over a series of mysterious events. A piano-playing ghost haunts the long-abandoned dance hall. Eerie blue lights flash from the hilltop cemetery in the dark...

When ten people arrive on private Indian Island off England's southwest coast, lured to a mansion by invitations from a mysterious host, terror mounts as one guest after another is murdered, in a classic whodunit that is an elaboration of the famous children's rhyme "Ten Little Indians."

While vacationing in the Midwest with her friends, Nancy Drew investigates a mysterious magnetic cloud, searches for a hijacked plane, and hunts a horse thief.

The blatant acts of a lady swindler posing as Nancy Drew arouse the suspicion of friends and local police against the real Nancy.

When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.

The robbery of the treasure in the tower proves to be an exciting challenge to Frank and Joe. Frank and Joe attempt to foil a ruthless espionage ring in their effort to sabotage the United States space program.

After capsizing her rowboat on Twin Lakes, Nancy Drew sets out to help the girl who saved her life investigate the mysterious events surrounding a deserted bungalow. While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

"It's a dream assignment. Former Senator Dorothy Gibson, aka that woman, is the most talked-about person in the country right now, though largely for the wrong reasons. As an independent candidate for President of the United States, Dorothy split the vote and is being blamed for the shocking result. After her very public defeat, she's retreated to her home in rural Maine, inviting her ghostwriter to join her.Her collaborator is impressed by Dorothy's...

Warnings cannot stop Nancy from going to Scotland to solve the mysteries of a missing family heirloom and the fate of the flocks of stolen sheep.