Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go! What will they find on vacation on a tropical island?

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 are visiting friends for a big Dia de los Muertos celebration. The kids love learning about the holiday and helping out - that is until mysterious events threaten to ruin everyone's preparations. Can the Aldens figure out what's going on and help their friends save the celebration?

The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house.

"Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. At a lighthouse, the children find a mystery in the night!"--Back cover.

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.

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

The Aldens try to solve a series of mysteries which took place in a old hotel in Kansas which they visit.

The Alden children uncover a plot to sabotage the Greenfield Bears baseball team. Includes baseball puzzles and activities.

Jessie and Henry's robotics team is competing in a big tournament. But when their robot is stolen, the Aldens have a high-tech mystery to decode!