Hodges Soileau

Henry, Jessie, Violet, and Benny, working behind the scenes of the Greenfield Museum's special exhibit, attempt to solve the problem of missing Egyptian treasures.

The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.

While staying at the Crooked House, the family home of their housekeeper Mrs. McGregor, the Aldens try to solve a riddle that will lead them to a hidden treasure.

When the Aldens have the chance to work at a candy factory, they try to find out who is sabotaging the candy and why.

While visiting an old mansion, the Aldens investigate the possibility that it may be haunted.

The Aldens investigate a Louisiana bayou to see if it is haunted by a ghostly alligator.

While visiting an old mansion, the Aldens investigate the possibility that it may be haunted.

Collects three dog-themed Boxcar mysteries, including "The Mystery at the Dog Show," the "Guide Dog Mystery," and "The Mystery of the Midnight Dog," in which the Aldens have experiences at a dog contest and a service dog school, and encounter a ghost dog in a haunted town in North Carolina.

The Aldens learn there is buried treasure on Blizzard Mountain while they are helping to map a new trail.