Serie de The Hardy Boys

A thrilling tale of mystery and sleuthing, this book follows brothers Frank and Joe as they delve into the secrets of an old mill. The boys must use their wits to solve two perplexing cases: one involving counterfeiters and the other tied to national security. How will they escape from their dangerous predicament? Find out in this exciting read.

A thrilling mystery novel that follows two teenage boys, Frank and Joe, as they try to solve the disappearance of their friends. Set in Bayport, the boys are investigating a crime that they witness, only to find that their missing chums and the mysterious regatta town might be connected. Full of suspense and action, this book is a must-read for fans of detective stories.

Join Frank and Joe Hardy on their thrilling adventure through the Rocky Mountains as they investigate a notorious gang responsible for a payroll robbery. In the old Montana mining camp of Lucky Lode, the young detectives encounter mysterious and eerie events from a piano-playing ghost to flashing blue lights in the hilltop cemetery. With cunning detective work, the Hardy brothers must piece together the dangerous puzzle and uncover the astonishing solution.

The Hardy brothers try to find out who is behind a rash of automobile thefts that are occurring on Shore Road just outside of Bayport....

A brilliant professor's disappearance sends the Hardy Boys to Kenworthy College where they find a puzzling message on an exam paper. But things take a dangerous turn when they journey to the Honeycomb Caves and discover a powerful searchlight that reveals the startling secret of the craggy caverns. Franklin W. Dixon's mystery will keep you on the edge of your seat until the very end.

A series of adventures begins for the Hardy boys after they sail their ice boat to the desolate and inhospitable Cabin Island....

A thrilling mystery novel about high school graduates Frank and Joe who uncover crucial details about airport robberies. But when the brothers are framed for the crimes, they must work to clear their names and reveal the true culprits.

In "What Happened at Midnight," Frank and Joe Hardy put their skills to the test when tasked with retrieving a secret invention from their neighbor's house. But their mission becomes much more complex when they uncover a dangerous gang of jewel thieves and smugglers. The young detectives find themselves in a race against time to solve the case and rescue Joe from being kidnapped. This thrilling mystery will keep readers on the edge of their seats until the very end.