After her brother is struck down in a hit-and-run accident, Angie is sure he's part of a mystery no one seems willing to unravel.

Two famous detectives track down two equally famous jewel thieves at a wedding party aboard the steamboat Sally.

Basil, mouse and master detective seeking the truth behind the theft of the Mousa Lisa, must also solve the mystery of his companion's disappearance.

A young orphan, afraid of being sent to the workhouse, finds himself at the mercy of the unsavory owner of a tavern in Alexandria, Virginia, while he tries to solve the mystery surrounding his past and a missing twin.

In 1868, twelve-year-old Emma and her widowed mother move to a tiny mining town in Colorado Territory to start a newspaper, but someone is determined to scare them away.

Presents a series of loosely related drawings each accompanied by a title and a caption which the reader may use to make up his or her own story.

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

The Hardy boys dial a wrong number, get the Pentagon, and suddenly find themselves in a dangerous adventure involving national security.

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.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.