A mysterious woman, a dog barking every night at midnight, and a puzzling note in the sand all add up to a mysterious summer in a lighthouse.

The Alden children are searching for a rare comic book of their favorite superhero, Captain Fantastic. They finally find the comic and something else, too--a strange note inside, signed by the comics creator. The Aldens realize the note is a fake.

The Alden children help out at the Greenfield Ice Cream Barn and while learning to make ice cream and create new flavors, they help solve a mystery before the Barn gets shut down.

The Alden children are helping out at a radio station, and they're going to be actors in a live mystery show. But when strange things keep happening, people in town say the station is haunted. Can the Boxcar Children catch the radio ghost before the station's listeners are scared away?

Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years.

When the Aldens visit their friend Fran in Wisconsin, they can't wait to hear her tell the story of the runaway ghost. Fran's family ghost hasn't been spotted in years, but the Aldens still shiver at the spooky tale of the ghost's bell clanging after dark. Then Violet hears a mysterious ringing in the middle of the night and the children start to wonder--could the runaway ghost be back?

The Aldens' boxcar is the perfect place for games, picnics, sleepovers, and fun, but when strange things start happening there, Benny is convinced that the boxcar is haunted.

The Boxcar children investigate when ice cream and other items start disappearing from their favorite ice cream parlor.

"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.

The Aldens discover there's nothing more fun than a drive-in movie. But pranks and other odd things are happening at the Diamond Drive-In, and late at night, a ghost is seen walking around the empty lot. Is the old theater really haunted?