The Alden children suspect that the other guests are somehow involved when things begin to disappear at the bed and breakfast where they are staying in Washington, D.C.

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

The Aldens visit an old camp in Quebec, Canada, and begin to suspect that someone or something is trying to scare them away from the place.

When the Alden children receive a mysterious message signed by the "Tattletale," they begin to ask questions about a snapdragon that appears in a number of paintings at the local gallery.

When Benny Alden decides he wants to go into business like his grandfather, his first several attempts don't quite work out.

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.

The Alden children suspect someone of trying to sabotage the local dog show.

The Alden children investigate the old boxcar where they used to live to find out if something that happened long ago is now haunting it.