Henry and Benny are suspects when a valuable vase disappears from the local department store where they are working for the summer.

The Alden children save an old woman's house, land, and all the animals in her animal shelter from greedy contractors.

"The Aldens spend the summer on their aunt's ranch! The ranch is a beautiful place, but it's also the source of trouble between Aunt Jane and Grandfather. As the Boxcar Children explore the land, they make an amazing discovery. Will it help mend Aunt Jane and Grandfather's relationship?"--Publisher's description.

Someone is trying to put Aunt Jane's motel out of business, but the Alden children aren't going to let that happen.

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

"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."--Amazon

A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are the ingredients for the Aldens' latest mystery.

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

The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.