Carolyn Keene

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?

An anonymous diary is a mystery with handwriting that is difficult to decipher. It is filled with technical drawings and chemical formulas. Was the destructive explosion an accident or an act of revenge?

Blue bells will be singing horses! This strange message, attached to the leg of a wounded homing pigeon, involves Nancy Drew in a dangerous mission. Somewhere an elderly woman is being held prisoner in a mansion, and  Nancy is determined to find and free her. Meanwhile, the young detective’s close friend, Helen, begs her to solve a second mystery. Helen’s grandparents, the Cornings, are frightened by a sinister wheel of blue fire...

Nancy Drew arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch, but abruptly finds herself involved in a baffling mystery. The ranch is being haunted by an unknown enemy. Local people believe that the ghostly animal is carrying out the curse of Dirk Valentine, the romantic outlaw who was killed many years ago at Shadow Ranch, where he had gone to fulfill a promise to his sweetheart. Aided by her friends Bess...

A special treat for Nancy Drew fans! Out just in time for Nancy's 80th anniversary, we're releasing a limited number of copies of The Secret of the Old Clock, the first book in the series. It's the exciting mystery that readers have fallen in love with for 80 years, with a terrific new look and bonus material! Collectors won't want to miss this.

When Nancy Drew and her friends arrive at Misty Lake, they meet pretty, red-haired Cecily Curtis, who seeks Nancy’s help in solving two mysteries. One concerns Cecily’s fiancé, Niko Van Dyke, a popular singer who believes that his record company is cheating him of royalty payments. The other invovles a family treasure hidden before the start of the Civil War; Cecily’s only clue is half of a gold locket. Nancy’s investigations...

Nancy and her boyfriend Ned visit Coffin Hall to research the library's rumored ghost, but when a fire breaks out and Ned is blamed, it is up to Nancy to find the true culprit.

Nancy Drew visits her cousin in Virginia hoping to locate a missing stained-glass window.

While trying to recover a set of stolen parchment paintings, Nancy Drew becomes involved in tracking a kidnapper and extortionist.

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