The Aldens become involved in a community theater production of "The Wizard of Oz," which is systematically and mysteriously being sabotaged.

The Aldens are helping out at the Greenfield Ice Cream Barn. They are learning to make ice cream and creating some new flavors. But they soon notice that the ice cream isnt the only thing getting mixed up at the Ice Cream Barn. It appears that someone wants to shut the shop down! Can the Boxcar Children sort out this sticky mess before the Ice Cream Barn gets licked?

The Boxcar Children have been choosen to compete against another team to look for clues on a game show.

Taking a shortcut through the Greenfield Cemetery, the Aldens stumble across a local superstition which maintains that visitors are required to leave gifts or suffer the wrath of a malevolent ghost, a suspicious tradition that prompts the children to expose the truth.

The Boxcar children have entered a detective contest sponsored by the local radio station, but some of the clues are phony.

The Aldens investigate when exotic and endangered animals begin to disappear from the zoo where their new friend Lindsey works.

Someone or something is making a mysterious tapping sound at midnight in the home of a famous inventor known for her one-of-a-kind clocks. There is an invention convention taking place in the home and the Alden children are competitors at the convention. Does the mysterious tapping mean trouble for the convention? The children are determined to find out.

"The Aldens are helping out at a harvest festival in a town at the foot of the Rocky Mountains. But something in the hills is scaring people away! Are the local rumors about a werewolf true?"--Back cover.

The Boxcar Children know how much work it takes to live in the wilderness. They also know how much fun it can be! The children love exploring and learning new things at a primitive skills summer camp. But when strange things start happening around the camp, they need to use another of their favorite skills--mystery solving!

The Aldens are on vacation in Seattle! On their first day of sightseeing, they start the day at the Hungry Heart Diner where a mystery falls right into their laps! Benny finds a riddle taped to the bottom of their table.