boxcar children (fictitious characters)

The Boxcar Children investigate a mystery about a rundown yellow house on Surprise Island and the man who disappeared from it.

Henry, Jessie, Violet, and Benny Alden spend a summer full of adventure and surprises while camping on their own private island.

While exploring the caves around Dragon's Mouth Cavern, a series of unusual and somewhat frightening events convinces the Alden children that someone does not want them around.

The Aldens investigate a mystery involving a legendary mining expedition to the gold fields of Alaska.

Henry, Jessie, Violet, and Benny, visiting their friend Fran in Wisconsin, become suspicious when it appears that Fran's family ghost, which has not been seen in years, is staging a comeback.

Henry, Jessie, Violet, and Benny decide to investigate when someone tries to make trouble in the home of a famous inventor of one-of-a-kind clocks.

When the Alden children join a group of volunteers to fix up an old house for senior citizens, they try to explain the puzzling behavior of their coworkers as well as investigate some unusual events.

While visiting a Navaho Indian reservation in New Mexico, the Aldens try to save a forest under threat of development by proving it is the site of a lost, buried village, but someone is sabotaging their dig.

The Alden children visit an old Kansas inn that is full of secrets, such as why did a famous photographer visit the innto take a single picture, who was the legendary guest who came west on an orphan train.

The Aldens investigate when a new store called the Game Spot opens in town and the neighboring shops are robbed.