Book 51

Nancy Drew 51

by Carolyn Keene

Published 1 January 1974

Book 52


Book 53

Sky Phantom

by Carolyn Keene

Published 1 December 1975

Book 54


Book 55


Book 55

Nancy Drew 55

by Carolyn Keene

Published 1 January 1978

Book 56

The Thirteenth Pearl

by Carolyn Keene

Published 1 June 1978

Book 57

The Triple Hoax

by Carolyn Keene

Published 1 October 1979
When Nancy's aunt's friend is swindled out of a sizable sum of money, she invites Nancy, Bess, and George to New York to help figure out who is behind the theft. There, the girls see a performance of a magicians' group who stun their audiences with clever sleight-of-hand tricks. Because the magicians temporarily remove people's wallets and handbags, Nancy feels the actors aren't above suspicion. But will her hunch lead them to solve the case?

Book 57

Nancy Drew 57

by Carolyn Keene

Published 1 April 2005

Book 58

The Flying Saucer Mystery

by Carolyn Keene

Published 1 January 1980
Nancy and her friends, in search of information about a UFO, become involved in another mystery involving the inheritance of an old man who lives in the forest.

Book 59

The Secret in Old Lace

by Carolyn Keene

Published 19 October 1981
Nancy Drew has entered a contest to solve an old mystery-the disappearance of a Flemish nobleman, a pair of lace cuffs, and a priceless treasure. In a thrilling story shadowed by a romance of the past, Nancy and her friends work to solve a mystery over one hundred years in the making.

Book 59

The Secret in the Old Lace

by Carolyn Keene

Published 1 January 1980
While in Belgium investigating the mystery surrounding an antique cross, Nancy and her friends learn that her entry in a short story contest may somehow be involved.

Book 60

Greek Symbol Mystery

by Carolyn Keene

Published December 1980
Her friends Bess and George accompany Nancy to Greece where there are two mysteries they want to solve.

Book 61

The Swami's Ring

by Carolyn Keene

Published 1 January 1981
When an amnesia victim appears in River Heights with a royal Hindu ring in his possession, Nancy Drew is called in to help learn his identity.

Book 61

Nancy Drew 61

by Carolyn Keene

Published 21 April 2005

Book 62

The Kachina Doll Mystery

by Carolyn Keene

Published 1 January 1981
When Nancy arrives at the McGuire's fitness ranch in Arizona, she discovers that the future of the ranch is being threatened by unexplained accidents. Teaming up with a ghost, Nancy begins her search for a precious collection of ancient Kachina dolls that may unlock the motives of her elusive adversary. Will the person determined to prevent the ranch from operating succeed?

Book 63

The Twin Dilemma

by Carolyn Keene

Published 1 January 1981
When a model disappears, Nancy takes her place in a benefit fashion show and helps to track down a dress thief.

Book 63

Nancy Drew 63

by Carolyn Keene

Published 1 April 2005

Book 64

Captive Witness

by Carolyn Keene

Published 1 January 1981
Trouble plagues a student tour through Europe as Nancy becomes involved in a plot to smuggle refugee children across the Austrian border from Eastern Europe.

Book 65

Mystery of the Winged Lion

by Carolyn Keene

Published 1 January 1982
Nancy and her friends' vacation in Venice involves them with kidnappers and a secret glass-making formula.