The search for missing gold takes the Hardy boys to the Yucatan Peninsula where they uncover a second mystery.
Nancy investigates her friend's guardians, who are trying to steal her inheritance.
Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.
On a winter vacation in Jamaica the Hardy boys begin a dangerous adventure when an ancient bronze death mask is discovered near their beach house.
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.
While searching for the guard end of a broken saber that will solve one mystery, the Hardy brothers become involved with a gang of bank robbers.
Their efforts to recover a stolen ancient chess piece lead the Hardy brothers to Hong Kong where they help smash an international criminal organization.
During their father's investigation of a ruthless gang of terrorists, two young detectives face several adversaries.
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.
Suspecting that their friend has been swindled, the Hardy brothers investigate and find themselves on the trail of a much larger criminal operation.
When Nancy, Bess and George travel to the French Quarter in New Orleans to help recover stolen jewelry, they are lead to a deserted old mansion said to be haunted by a phantom organist.
Nancy Drew investigates the disappearance of Ned's digital camera and laptop that had been used on a fishing trip with his father.
On her first day of fifth grade, Cam Jansen uses her photographic memory to help the police find a car thief. Includes a memory game.
Nancy receives a letter meant for a British heiress who has the same name and, in her attempts to contact the other young woman, faces danger from a man who operates a Lonely Hearts Club mail fraud.
Nancy Drew and her friends solve a mystery of the strange tapping sounds in the house of a retired actress involving an invalid, cats, and tap dancing.
When they journey to Alaska to help a friend who feels his life is in danger, the Hardy brothers find their own lives threatened.
In trying to trace a missing will, detectives Frank and Joe Hardy trap a dangerous criminal who is willing to risk all--including murder--for money.