The Aldens help to blaze a new trail on Blizzard Mountain where rumors tell of buried treasure. The children enjoy hiking and other outdoor adventures. But something strange is going on—supplies go missing, strange noises are heard in the woods, and a member of their group disappears! It's obvious that someone is trying to stop them from clearing the trail. Does a snowy ghost haunt the mountain, or is someone else after the buried treasure?

When the Alden children go camping on Blizzard Mountain, a place said to be inhabited by a ghost looking for buried treasure, they begin to think someone or something is trying to scare them off.

A set of three mysteries--The Mystery at Snowflake Inn, The Mystery in the Snow andThe Mystery on Blizzard Mountain.

The Boxcar children mysteries.

While staying at the Crooked House, the family home of their housekeeper Mrs. McGregor, the Aldens try to solve a riddle that will lead them to a hidden treasure

The boxcar children uncover a double mystery involving an old friend of Aunt Jane's.

Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of a hidden cave in this illustrated chapter book series beloved by generations of readers. A rockslide strands the Aldens on a mountain! But being stuck on Old Flat Top isn't all bad. As the children wait for rescue, they discover that a secret cave has opened up—one that just might hold legendary treasure! What started as a single story about the Alden Children has delighted readers for generations and sold more than 80 million books worldwide. Featuring timeless adventures, mystery, and suspense, The Boxcar Children® series continues to inspire children to learn, question, imagine, and grow.

The Alden children are visiting a gem mine that is holding its annual gem-hunting competition. It's not long before Jessie makes a fabulous find. But just when she's about to win the contest for finding the biggest ruby, her gem disappears! Now instead of digging for rocks, the Aldens are digging for clues. Who wants to win the contest so much that they would steal from the Boxcar Children?

A fiery glowing eye in a museum, the abduction of Ned, the code name Cyclops, and a pilotless helicopter draw Nancy and her friends into a dangerous investigation.

Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of a suspicious house fire in this illustrated chapter book series beloved by generations of readers. The Aldens head back to Mystery Ranch for another summer! They are thrilled to learn their friend Mike has moved to Yellow Sands—a new town nearby. But when a house fire breaks out and Mike is blamed for starting it, the Aldens must find the real culprit to help their friend. What started as a single story about the Alden Children has delighted readers for generations and sold more than 80 million books worldwide. Featuring timeless adventures, mystery, and suspense, The Boxcar Children® series continues to inspire children to learn, question, imagine, and grow.