Gertrude Chandler Warner

When the Aldens agree to watch the house of a local author who has written a book about a vampire, they end up investigating activities that are suspiciously similar to those in his book.

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 fun new treasure-hunting game.

The Aldens are helping one of Grandfather's friends break a world record by building the world's largest yo-yo! But someone follows them, and then the plans for the yo-yo turn up missing. Someone is trying to sabotage the yo-yo before it's launched!

The Aldens are visiting Grandfather's friend, Amy, at the Ogopogo Retreat in Canada. Amy rents cabins to tourists who hope to see the mysterious underwater creature, the Ogopogo, swimming in the lake.

The entire town is excited about the summer music festival. The largest attraction this year will be the popular Greenfield Four. The day before the show, The Greenfield Four arrive at the rehearsal hall to find all of their instruments missing!

When a new store called the Game Spot opens in their town, the Aldens are thrilled. But it's not fun and games when the other stores at Crossroads mall are robbed. What's more, letters are disappearing from the sign in front of the shopping center!

The Aldens visit an old Kansas inn that's full of secrets! Nobody knows why a famous photographer visited the inn just to take a single picture. And what about the other legendary guest—a heroic young stranger who'd come west on an "orphan train?"

The Alden's neighbor, Lina, thinks there's treasure hidden in her attic and she wants the Boxcar Children to help her find it. Of course, the children are eager to help search—but it appears they aren't the only ones looking for the treasure.

The Aldens visit a farm that's famous for its corn maze and the festival held there every year. But someone is damaging the maze at night. Can the Boxcar Children catch the culprit and save the festival?

Benny is excited about having his first sleepover, but he and his friends are a little bit scared, too.

The Aldens' boxcar is the perfect place for games, picnics, sleepovers, and fun. But is it also the perfect place for ghosts? When strange things start happening there, Benny is convinced that the boxcar is haunted.

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

Someone is building a large, fancy house down the street from the Alden's--a house shielded by a tall stone wall. The only way to approach the house is through an iron gate decorated with huge black widow spiders! Benny is certain the new neighbors must be hiding something...but what could it be? The Boxcar children are determined to investigate.

The Boxcar Children are going to summer camp and are looking forward to a week of new friends, exciting activities, and, most of all, the annual camp Olympics. As soon as camp begins, everything begins to go wrong for the Aldens—they lose their luggage, the camp flag disappears from Henry's cabin, and campers on the other team use one of Jessie's ideas to score points for themselves. Are some campers so desperate to win the Olympics that they are willing to cheat?

The owner of the Greenfield Ice Cream Barn has two new partners: her granddaughter Brianna and the horse Butterscotch. Benny frequents the Ice Cream Wagon, run by Brianna with Butterscotch's help. But who is trying to shut down the Ice Cream Barn?

The Alden children are on vacation at an aquarium in Florida. The Boxcar Children will feed the penquins, swim with dolphins, and come face-to-face with a great white shark! But the Aldens soon discover that the shark is in danger.

When their favorite pizza restaurant almost goes out of business, the Alden children try to help their friends stay open while they find out who is behind all their problems.

While visiting the seaport town of Ragged Cove, Massachusetts, the Alden children find the ship's log of the Flying Cloud, shipwrecked in 1869, supposedly during a mutiny.

Henry, Jessie, Violet, and Benny are actors in a live mystery show being broadcast on an old-fashioned AM radio station. But that's not the only mystery the Boxcar children are part of—it's starting to look like the radio station is haunted!