Box Car Mysteries

After helping clean up an oil spill in Connecticut, the Aldens are heading to a much cooler climate, where scientists are working to conserve the snow leopard population. With only hundreds left in the world, the Aldens know each animal is important. Can the Aldens do their part to help save this elusive and important animal?

Three complete stories in one collection! Includes The Sword of the Silver Knight, The Game Store Mystery, and The Mystery of the Orphan Train!

Three mysteries in one collection! This volume includes: The Rock 'n' Roll Mystery, The Secret of the Mask, and The Seattle Puzzle.

This collection includes The Mystery of the Stolen Snowboard, Mystery of the Wild West Bandit, and The Mystery of the Soccer Snitch.

Years ago, a man vanished from the yellow house on Surprise Island. Why? The Aldens have found a clue to the mystery!

Three complete stories in one collection! Includes The Pumpkin Head Mystery, The Cupcake Caper, and The Clue in the Recycling Bin.

Three complete stories in one collection! Includes The Spy Game, The Dog-Gone Mystery, and The Vampire Mystery.

The Aldens spend the summer on their own private island. There they meet a new friend with an amazing secret!

The Alden children are visiting Aunt Jane when a nearby house burns down. Their friend Mike is blamed for starting the fire! Can the Aldens help find the real criminal?

This bundle includes The Great Detective Race, The Ghost at the Drive-In Movie, and The Mystery of the Traveling Tomatoes.

The Alden children are staying at the New England farmhouse where their grandfather grew up. There are many stories and legends about the old farm, and there's a woodshed near the house that holds a surprising secret...a secret that dates all the way back to the Revolutionary War!

The Aldens have joined Dr. Iris Perez as she investigates legendary creatures around the world. In this adventure, the children travel to Iceland to look into stories of mischievous elves causing trouble. The legends of huldufolk, or hidden people, go back a long way in the country, but are elves really the cause of the problems, or is there a more natural explanation for the strange events on the island?​

When the Aldens take a summer trip to the New England coast, they have a fun place to stay: a lighthouse! But strange things happen after it gets dark—an unknown woman is seen walking around, and Watch, the Aldens' dog, wakes up growling late at night. Can the Boxcar Children shed light on a seaside mystery?

The Aldens are excited to visit a deserted South Seas island. But soon they discover clues that they are not alone. Is someone on the island watching them?

Henry, Jessie, Violet, and Benny didn't think the old trunk in their house held anything interesting. But an unusual statue they find inside leads them to the Reddimus Society, a secret guild dedicated to returning lost treasures to where they belong. Now the Aldens must help their new friends by traveling across the country with the statue and six mysterious boxes! Can the Boxcar Children keep these seven treasures out of the wrong hands?

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’ favorite hockey star, Kevin Reynolds, is coaching a girls’ hockey team and build a new skating rink right in Greenfield. But when team practices begin, equipment is missing and Kevin’s plans for the new rink are almost ruined. Is someone trying to stop Kevin?

The Aldens climb a mountain and find a mystery! The hike up Old Flat Top was only supposed to take a day, but a dangerous rockslide changes everything to reveal a hidden cave that just may hold a legendary treasure!

This volume includes: The Ghost in the First Row, The Box That Watch Found, and A Horse Named Dragon.

Henry, Jessie, Violet, and Benny chart a course for China to return the Reddimus Society's fourth artifact! Along the way they meet old friends and make new ones, but a thief threatens to ruin their trip. Then, after an unexpected stop in Thailand, they meet a suspicious man claiming to work for the Reddimus Society. The Aldens wonder if someone close to them is working for the other side. Who can the Boxcar Children trust to help them?