Nancy and her friends, George and Bess, are returning from a country carnival when they witness the explosion and burning of a beautiful country mansion. Fearing its occupants may be trapped in the blazing building, they rush to the rescue - and unexpectedly fund themselves confronted with a mystery that seems to be insoluble. The first clue, an anonymous diary, includes not only indecipherable handwriting, but puzzling technical drawings and chemical...

A haunted hotel, a family curse, mysterious Cossacks, hidden treasure, murdered guests . . . what looked to be a routine family reunion is turning into a serious Bad Hair Day indeed. One that's trouble all the way down to the . . . .

Dead Roots

Marla Shore thought the only tricky part of the reunion at Florida's historic Sugar Crest Plantation Resort would be introducing her fiancé, Detective Dalton Vail, to her family. . .and vice

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Nancy arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch but finds herself embroiled in a baffling mystery involving a phantom horse and buried treasure.

Nancy Drew tries to find a clue to the strange tapping sounds in the house of a retired actress.

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.

At a doll collector's request for help, a young sleuth searches for an old album, a lost doll, and a missing gypsy violinist.

Nancy and her friend Helen visit their friend Emily Willouby at the Lilac Inn, which Emily now owns, to help her plan her wedding. Emily plans on selling inherited diamonds in order to help fix up the Lilac Inn. However, Nancy soon learns that someone has been impersonating her and making expensive purchases under her name. Soon after, Emily's diamonds are stolen! Can Nancy find the thieves and recover the missing diamonds?

Nancy and her friends, Bess and George, meet Joanne Byrd on a train ride home. Joanne lives at Red Gate Farm with her grandmother, but if they do not raise enough money to pay the mortgage, they will soon lose the farm! Nancy, Bess, and George decide to stay at Red Gate for a week as paying customers. Soon, they learn about the strange group of people who rent a cave on the property. They describe themselves as a nature cult called the Black Snake...