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?

Nancy Drew's keen mind is tested when she searches for a missing will.

Nancy and her sleuthing friends race to find out who is responsible for sabotaging a controversial comedian's upcoming performance at River Heights's new arts complex, where an exhibition of Dutch Masters is being installed.

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?

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.

Her friends Bess and George accompany Nancy to Greece where there are two mysteries they want to solve.

Nancy Drew comes to the aid of the owners of a local dancing school when they receive an anonymous note threatening their lives.

Is there a clue in the mysterious stagecoach? Who will find it? An old stagecoach leads Nancy Drew to discover the culprits in the theft of a treasure chest.

A search for stolen jewelry takes Nancy to New Orleans where she uncovers a swindling racket in which a medium uses her trade to relieve victims of their valuables.