boxcar children (fictitious characters)

The Alden children draw upon their resourcefulness to save the neighborhood firehouse from being torn down, while they also face a series of mysterious incidents connected with it.

At the same time that the Alden children's efforts to raise money for a new hospital wing are being sabotaged by nasty tricks, they find their attempts to befriend the new girl, Beth, frustrated by her strange behavior.

The Alden children have another mystery to solve when they visit a castle and must figure out which of the guests has stolen the Stradivarius violin.

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

The Aldens search for carousel horses that have disappeared from an amusement park.

While staying at an eighteenth-century inn in Vermont, the Boxcar children become curious about the mysterious "accidents" that keep plaguing the owners.

A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are ingredients for the Aldens' latest mystery.

A graphic novel adaptation of Gertrude Chandler Warner's story in which four orphaned children, afraid to go live with their grandfather, set up housekeeping in an abandoned boxcar.

Henry, Jessie, Violet and Benny share a mysterious island for the summer with their grandfather.

"When the Alden siblings visit their grandfather's friend in an apartment building, they begin to wonder about the many mysterious events that keep happening on the thirteenth floor of that building" OCLC.