Box Car Mysteries

When their friend Sam gets a letter full of riddles from an eccentric millionaire, the Aldens are eager to help him crack the code. If Sam can solve the puzzle, he will inherit the millionaire's money! But Sam isn't the only one in town to receive a letter - and whoever solves the mystery first will win the prize!

Three complete stories in one collection! Includes The Celebrity Cat Caper, Hidden in the Haunted School, and The Election Day Dilemma.

A local radio station is holding the Great Detective Race, and the Boxcar Children have entered the contest! They solve riddles and search all over town for clues leading to the grand prize. But when some of the clues turn out to be fake, it's clear that someone is playing unfairly! Who could be trying to ruin the race - and why?

The Boxcar Children love exploring the train, watching the beautiful scenery from the observation car, and eating in the dining car. But the train ride gets really interesting when they meet a young woman who has had something very valuable stolen from her.

As the children tour the famed Sydney Opera House, their next puzzle - and its key - falls right into their laps. They need to find the rightful owner of a rare Australian coin. Using their knowledge about Australia, the Aldens find the coin's owner, but a saboteur is again hot on their heels and nearly spoils their hard work. Next up, the Aldens travel to frigid Antarctica, where they need to return an artifact to the hut Shackleton used on his expeditions to the South Pole.

The Aldens are volunteers at a medieval fair! They are excited to wear costumes and entertain the crowds. But when a valuable sword goes missing, the children know their toughest job is going to be catching the thief. Can the Boxcar Children find the sword and solve the mystery before the fair moves on to Silver City?

The Aldens are going on a trip to the Arizona desert. There they learn about the legend of the Lost Dutchman Mine. Everyone thinks the mine is filled with gold. Can the Boxcar Children find out if the legend is true - and if it is, who will find the gold?

This bundle includes The Gymnastics Mystery, The Poison Frog Mystery, and The Mystery of the Empty Safe.

The Aldens are joining Dr. Iris Perez as she investigates legendary creatures around the world. In the last leg of the journey, the children travel to the Amazon rain forest. They love learning about all the different plants and animals they have never seen before. But is there really a creature in the forest that hasn’t yet been discovered?

A dusty old theater that was shut up for years is coming to life again, and the Aldens are there for opening night! They're excited to help out backstage with a brand-new mystery play. But the Trap-Door Theater has mysteries of its own - with rumors of ghosts, disappearing props, and even a haunted seat! What secrets lie behind the scenes?

Henry, Jessie, Violet, and Benny are going down under. Off the coast of Australia, they dive in to explore the Great Barrier Reef. With the help of their conservationist guide, Kayla, they learn about ways to help rebuild the damaged reef. But coral reefs take a long time to take shape. Can the Aldens find ways to help the animals that need help now?

The Aldens are excited to visit their friend, Seymour Curtis, who lives on a farm that's rumored to be haunted! When they arrive, they learn that valuable antiques have gone missing. Is the thief someone who Seymour knows? Or is it a ghost seeking revenge? The Boxcar Children have another mystery to solve!

The Alden children are going back in time by helping at an old Victorian house that has been turned into a museum. But rumor has it that the place is haunted by the spirit of practical joker Horace Wagner! Is there really a ghost?

The Aldens are preparing for a yard sale when they find an old wooden mask in the trash behind a neighbor’s house. Violet notices that the mask looks like a Native American mask she had read about. When the mask is stolen, the children begin to think their newfound treasure may be worth a lot to someone. Can the Aldens find the thief and the mask before it’s too late?

People line up around the block to but Mama Tova's cupcakes. But who could be trying to steal her secret recipe? The Aldens follow the clues to a cupcake contest where they must use their mystery-solving skills - and their taste buds - to find the thief!

The Aldens are helping Greenfield’s most popular band get ready for a music festival. A big-time music producer will be there to watch the show, and everyone in Greenfield is hoping the band will be famous soon. The day before the festival, the band’s instruments are stolen! Can the Aldens find the instruments - and the thief - before the big show?

When Henry, Jessie, Violet, and Benny boarded a train to help the Reddimus Society return a stolen treasure, they didn't plan on traveling around the world. But after a close call with the society's archrivals - the Argents - it's now up to the Boxcar Children to return the remaining six artifacts to their rightful homes. As the children travel through Egypt, Kenya, England, and Italy, can they stay one step ahead of those trying to sabotage their plans?

The Aldens are on vacation in Seattle! On their first day of sightseeing a mystery falls right into their laps when Benny finds a riddle taped to the bottom of a table. What does the riddle mean, and where will it take them? Follow Henry, Jessie, Violet, and Benny as they crack the mysterious riddle on their way through the Emerald City.

The Alden children are searching for a rare comic book about their favorite superhero, Captain Fantastic. When they finally find the comic, they discover that Captain Fantastic has a real-life enemy. Who would want to sabotage a superhero? The Aldens will need their super power of investigation to catch this comic book culprit!

The Aldens have joined Dr. Iris Perez as she investigates legendary creatures around the world. In this adventure, the children investigate what might be living in the deep trench off the coast of Puerto Rico. From manatees to mermaids to sea monsters, creatures of the sea have been attracting tourists to the area for years. But when a man on a nearby island goes missing, it’s up to the Aldens to sort out fact from fiction.