Hardy Boys 15: The Sinister Signpost
Hardy Boys 15: The Sinister Signpost

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1936-09-01

Total Pages: 190

ISBN-13: 1101076291

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In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy help their father investigate a series of mysterious car accidents. Each of the drivers had seen a signpost marked DANGER shortly before his accident. The young detectives investigate, only to discover that the signposts have vanished. The attempted theft of a secret experimental motor and the kidnapping of a famous race horse are part of this thrilling case, which proves to be as sinister as the signposts themselves.

The Sinister Signpost
The Sinister Signpost

Author: Franklin W. Dixon

Publisher:

Published: 1968

Total Pages: 196

ISBN-13:

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The Hardy boys and their father solve a mystery involving inexplicable crashes of highspeed race cars being used to test an experimental turbine motor.

Nancy Drew 45: The Spider Sapphire Mystery
Nancy Drew 45: The Spider Sapphire Mystery

Author: Carolyn Keene

Publisher: Penguin

Published: 1967-12-01

Total Pages: 192

ISBN-13: 1101077468

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Thrilling, dangerous adventures confront Nancy Drew while on a safari in East Africa with a group of American college students. Excitement runs high as the teen-age detective delves into the theft of a fabulous sapphire formed by nature millions of years ago. The mystery starts in Nancy’s home town. Her lawyer father’s client, Floyd Ramsay, who fashions beautiful and unusual synthetic gems, is accused of stealing the magnificent spider sapphire and exhibiting it as his own creation. Mr. Ramsay’s enemies blackmail him and by their vicious acts try to deter Nancy from going on the safari. Readers will join Nancy as she uncovers a nefarious scheme and solves the strange disappearance of an injured jungle guide.

Nancy Drew 08: Nancy's Mysterious Letter
Nancy Drew 08: Nancy's Mysterious Letter

Author: Carolyn Keene

Publisher: Penguin

Published: 1963-03-01

Total Pages: 193

ISBN-13: 1101077093

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By mistake Nancy Drew receives a letter from England intended for an heiress, also named Nancy Drew. When Nancy undertakes a search for the missing young woman, it becomes obvious that a ruthless, dangerous man is determined to prevent her from finding the heiress or himself. Clues that Nancy unearths lead her to believe that the villainous Edgar Nixon plans to marry the heiress and then steal her inheritance.

Nancy Drew 36: The Secret of the Golden Pavillion
Nancy Drew 36: The Secret of the Golden Pavillion

Author: Carolyn Keene

Publisher: Penguin

Published: 1959-01-01

Total Pages: 194

ISBN-13: 1101077379

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One of Mr. Drew's new clients, Mr. Sakamaki, requests Nancy's help solving a mystery. Mr. Sakamaki recently inherited his grandfather's estate in Hawaii, but two strangers arrive, claiming to also be the grandchildren of his deceased grandfather. Can Nancy uncover the truth?

Nancy Drew 03: The Bungalow Mystery
Nancy Drew 03: The Bungalow Mystery

Author: Carolyn Keene

Publisher: Penguin

Published: 1930-05-01

Total Pages: 191

ISBN-13: 1440673667

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While driving a motorboat around the Twin Lakes, Nancy and her friend Helen get caught in a dangerous storm. Luckily, they are rescued by another teenage girl in a rowboat. They soon learn that their rescuer is Laura Pendleton, whose mother has recently having passed away. Laura has come to meet up with her new guardians, but something isn't quite right about them. Nancy investigates the situation, and soon she stumbles upon a shocking surprise in the cellar of a bungalow!

Nancy Drew 35: The Haunted Showboat
Nancy Drew 35: The Haunted Showboat

Author: Carolyn Keene

Publisher: Penguin

Published: 1958-01-01

Total Pages: 193

ISBN-13: 1101077360

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Bess and George invite Nancy on a trip to New Orleans, to help their relatives solve a mystery. Their uncle wants to restore an old showboat, the River Princess, but no one will go near it! Mysterious occurrences are making everything believe the boat is haunted. Can Nancy uncover the truth?

Hardy Boys 47: Mystery of the Whale Tattoo
Hardy Boys 47: Mystery of the Whale Tattoo

Author: Franklin W. Dixon

Publisher: Penguin

Published: 1967-12-01

Total Pages: 193

ISBN-13: 1101076607

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One exciting event follows another when Frank and Joe Hardy are hired to apprehend the pickpockets who have been plaguing Solo’s Super Carnival. When their friends Tony Prito and Biff Hooper exhibit a stuffed whale dug up at a construction project, they all but put the carnival out of business. In this thrilling mystery the young detectives pit their wits against a gang of thieves whose bizarre identification, a three-part whale tattoo, proves to be a nearly insolvable riddle.

Nancy Drew 10: Password to Larkspur Lane
Nancy Drew 10: Password to Larkspur Lane

Author: Carolyn Keene

Publisher: Penguin

Published: 1960-06-01

Total Pages: 193

ISBN-13: 1101077115

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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 that appears after dark in the woods outside their home at lonely Sylvan Lake. When Nancy discovers the significance of the eerie signal, she also learns that her two mysteries are connected.