A group of professional detectives challenge Nancy to tackle a mystery that they have failed to solve: find an invaluable message hidden by a missionary centuries ago in a hollow oak tree in Illinois.
Another exciting mystery begins for the young detective when her friends Bess and George ask her to investigate a rumor that their wealthy great-granduncle, Asa Sidney, is virtually a prisoner in his own mansion.
Nancy and her friends, George and Bess, are returning from a country carnival when they witness the explosion and burning of a beautiful country mansion.
The launching of the Firebird Rocket is endangered when a famous rocket scientist disappears without a trace on his way to the Woomera Monitoring Station in Australia.
An assignment form their famous detective father to track down a ring of credit-card counterfeiters takes Frank and Joe Hardy on an exciting camping trip to the Rocky Mountains.
Frank and Joe Hardy are determined to bring to justice the vicious criminals who kidnapped their detective father while he was investigation sabotage of a road-building project in the Kentucky wilderness.
A long-distance telephone call from Chet Morton’s uncle summons Frank and Joe Hardy and their staunch pal Chet to a summer art school, located near old Fort Senandaga which is reputed to be inhabited by a ghost.
In a search for the missing Willard Grafton, Frank Hardy and younger brother Joe, encounter a gang of criminals intent on defrauding the US government, and are lead across California and even into Mexico.
A cryptic message from their famous detective father and a note concealed in a ventriloquist’s dummy lead Frank and Joe Hardy on a dangerous search to the tropical islands in the Caribbean.
In a series of hair-raising adventures both on land and undersea the teenage brother detectives pit their wits against some of the most ruthless criminals they have ever encountered.
The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades.
When the eerie performances of a life-size puppet begin to haunt the old Van Pelt estate, where an amateur acting group – The Footlighters – have their theater, Nancy Drew is called upon to unravel the baffling mystery.
When Nancy Drew and her two close friends arrive for the Emerson University June Week celebration and learn there has been a mix-up in their motel reservations, the confusion leads to a baffling mystery.
Lovely young Carla Ponce, who lives in Peru, invites Nancy and her friends Bess and George to visit her and solve her “monkey mystery,” which promises to lead to a fabulous treasure.
Nancy and her friends Bess and George spend an exciting week exploring a mysterious zigzag house with its fantastically crooked staircase, its bizarre serpent picture, and an unpredictable robot that nearly causes the young detective to lose her life.
Aunt Eloise Drew invited Nancy and her friends to Mirror Bay Bide-a-Wee cabin near Cooperstown, New York, for a visit and a chance to solve the mystery of the woman who glides across the water.
When Nancy Drew eagerly agrees to help her lawyer father solve the mystery of the glowing eye, she has no way of knowing that it will involve the kidnapping of her close friend Ned Nickerson.
In a response to a friend’s call for help, Nancy’s father, a lawyer, asks her to travel to mysterious Crocodile Island with her friends Bes and George to study the reptiles and try to uncover a group of suspected poachers.
