Gertrude Chandler Warner

Summer vacation on an almost private island gives the Aldens a challenge. Henry, Jessie, Violet and Benny used to live alone in a boxcar. Now they have a home with their grandfather and are spending the summer on their own private island. There is a mysterious stranger on the island with a secret--but that's not the only surprise in store for the Boxcar Children.

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

Grandpa Alden and the Alden children encounter danger, excitement, adventure, and mystery in a quiet island fishing village.

The Aldens, while testing the latest version of their favorite computer game, are surprised to find messages directed specifically at them.

The Alden children are excited to see their friend, Mike, while visiting their aunt, but when Mike is blamed for burning his house down, the siblings want to help Mike clear his name.

While canoeing and backpacking near Timberwolf Lake, the Aldens receive strange warnings to stay away from the area and stumble upon clues to a missing cache of stolen coins.

Relates the exploits of the four Alden children as they locate a missing man. The Boxcar children are determined to solve the mystery that surrounds an old yellow house on their grandfather's property. Strange things have happened in that house where long ago a man disappeared.

When an elderly friend is injured, the Alden children offer to help him with his window-washing business in their small town of Greenfield and agree to help him solve a riddle that has arrived in a mysterious invitation.

While visiting a recent purchase of Grandfather's, a ghost town in the Rocky Mountains, the Aldens encounter a mystery involving a run-down motel and a woman who may be a ghost.

When their newfound treasure is stolen, the Aldens try to track down the thief who stole their Native American mask.