Teenage detectives Frank and Joe Hardy investigate a supposedly haunted house reported to be the hangout of criminals.

Henry, Violet, Jessie and Benny used to live in a boxcar. Now they have a home with their grandfather and are spending the summer on their own private island. There's a mysterious stranger on the island, and there are even more surprises for the children on Surprise Island!

While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

Nancy Drew tackles a mystery professional detectives failed to solve--finding a valuable centuries-old message in a hollow oak tree in Illinois.

Stress worsens 12-year-old Evey's speech disorder. And yet, the fate of a seemingly supernatural power rests on her ability to talk her way out of a jam.

An unusual hex sign leads Nancy Drew to Pennsylvania Dutch country in pursuit of a thief who stops at nothing to get rid of her.

Nancy Drew comes to the aid of the owners of a local dancing school when they receive an anonymous note threatening their lives.

Nancy Drew, the girl detective, and her friend, Ned Nickerson, find a pirate chest filled with gold coins in the hold of an old showboat.

During their father's investigation of a ruthless gang of terrorists, two young detectives face several adversaries.