Boxcar children mysteries

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

A series of practical jokes at a restored nineteenth-century farmhouse makes the Aldens wonder if the ghost of its builder is at work.

While vacationing at a friend's country home, the four Alden siblings try to find a long-missing, priceless brooch, while also investigating the existence of a ghostly stream.

While staying at a hotel in New York City, the Aldens investigate a series of annoying pranks plaguing the management and guests.

Henry, Jessie, Benny, and Violet Alden 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 Aldens' uranium mine is in danger of being sabotaged.

While helping fix up the old house their cousins have bought, the Aldens hear stories about its being haunted and find evidence suggesting that there may be a ghost there.

Eccentric Aunt Jane needs help on her ranch so the Aldens, affectionately known as the boxcar children, get help from a private detective.

The four Alden children uncover a mystery while volunteering at a food pantry for the needy.

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 Boxcar Children investigate when strange happenings at the radio station cause people to believe the place is haunted.