Relates the exploits of the four Alden children as they locate a missing man. "Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather and are determined to solve the mystery that surrounds an old yellow house on his property. Strange things have happened in that house where long ago a man disappeared. When the Boxcar Children explore the house, they find an old letter written by the brother of...

The Alden children meet Mike Wood and a strange chain of events begins. Mike's house is mysteriously burned down, a man in a blue hat appears, and the Alden's uranium mine is in danger of being sabotaged. The four children solve the mystery.

The Boxcar children become involved in a mystery going back to Revolutionary War days.

"People say nothing interesting happens in the village of Port Elizabeth but, on a visit there, the Boxcar Children find a big mystery at the schoolhouse. Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows children to start reading by themselves with a Boxcar Children classic."--Amazon.

The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car

Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years

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

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river. While waiting for the bus transfer at Plainville Junction, the four Alden children become involved in a controversy over river pollution

Henry, Jessie, Vioet and Benny Alden are brothers and sisters - and tehy're orphans. The only way they can stay together is to make it on their own. One night, during a storm, the children find an old red boxcar that keeps them warm and safe. They decide to make it their home.

The Aldens are spending the summer traveling on a houseboat! Throughout their journey, the children have the feeling that theyre being watched. Someone is watching them and the thing that he wants is somewhere on their boat! Hell stop at nothing to get it and its up to the Boxcar Children to figure out why!