Franklin W Dixon

The robbery of the treasure in the tower proves to be an exciting challenge to Frank and Joe.

"The Secret of the Old Mill" is the third installment in the "Hardy Boys" series of mystery stories. Written by Canadian author Charles Leslie McFarlane and published under the pen name, Franklin W. Dixon, in 1927, "The Secret of the Old Mill" ranks as one of the best books in the series. In this thrilling installment, readers find the Hardy brothers, Joe and Frank, investigating the mysterious appearance of counterfeit money in their small town of...

Frank and Joe join their friend Jack and his father in hunting a lost treasure.

While searching in Iceland for a missing sailor sought by an insurance company, the teen-age detective brothers uncover a plot threatening the life of a United States astronaut and the secrets of NASA's moon project.

Who is writing threatening notes? How could anyone get into the secret room of the old mansion? As Frank and Joe investigate, robbery and mistaken identity complicate matters.

Frank and Joe go to the Pocono Mountains to investigate the mystery of a legendary witch who stalks Black Hollow seeking vengeance. Disappearances occur and strange screams fill the night.

The Hardy boys' investigation of a museum robbery in England arouses the anger of a coven of black witches.

Despite attempts against their lives, Frank and Joe accept a case involving the most powerful man in a small town in Georgia and an allegation of piracy and smuggling.

The Hardy boys track down the saboteurs who kidnapped their father.

Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.