Gertrude Chandler Warner

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

The Boxcar Children and their grandfather are going to New Orleans. The Aldens like exploring the city. Most of all, they like helping Grandfather's friend clean up her old, dusty bookstore. They discover lots of interesting things in the store, especially a beautiful set of fairy tales. But then mysterious things start to happen. One of the books in the set is missing! Someone is after something the Boxcar Children have. Will they be able to...

The Aldens investigate when a new store called the Game Spot opens in town and the neighboring shops are robbed.

When they help out at a guide dog training school, the Alden children meet several people who seem obsessed with a particular dog named Ginger.

The Aldens investigate when an old wooden mask they have found is stolen.

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather, and they’re fixing up their boxcar so they can ride it in the big Greenfield Founders Day parade. There’s just one problem: Someone has stolen the boxcar . . . with their dog, Watch, in it! If only they can find the missing boxcar, it will lead them to Watch. Can the Boxcar Children solve their most important mystery ever?

While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.

The Boxcar Children investigate a mysterious ghost with a glowing pumpkin head at a friend's farm.

The mysterious disappearance of a reclusive neighbor's cat involves the Boxcar children in some complicated detective work.

"One day in the park, the Aldens' dog, Watch, comes across a mysterious box with a note inside. 'Congratulations!' the note says. 'You've found it!' The box is part of a game called Geocaching. Soon, Henry, Jessie, Violet, and Benny are searching all over town for hidden boxes and making friends with other kids in the geocaching club. But is one of the club members a thief?" -- p. [4] of cover.