There are 40 books in the The boxcar children mysteries series. The newest book is The Mystery of the Hidden Beach which came out in 1994.

1
The Boxcar Children

By Gertrude Chandler Warner , L. Kate Deal (illustrator) ,

Book cover of The Boxcar Children

Henry, Jessie, Violet, and Benny are brothers and sisters. They're orphans too, and the only way they can stay together is to make it on their own. When the children find an abandoned boxcar in the woods, they decide to call it home―and become the Boxcar Children!

When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).

2
Surprise Island

By Gertrude Chandler Warner , Mary Gehr (illustrator),

Book cover of Surprise Island

The Aldens spend the summer on Grandfather's island! Joe, the island's friendly handyman, helps them with anything they need, but as the children continue to explore their summer home, they realize there is more to the island―and to their new friend―than meets the eye.

3
The Yellow House Mystery

By Gertrude Chandler Warner , Mary Gehr (illustrator),

Book cover of The Yellow House Mystery

A mystery surrounds the old yellow house on Surprise Island! Years ago, a man vanished from the house, and no one knows how or why. Now a long-lost clue leads the Aldens to investigate the mystery―and to a new adventure!

4
Mystery Ranch

By Gertrude Chandler Warner , Dirk Gringhuis (illustrator),

Book cover of Mystery Ranch

The Aldens spend the summer on their Aunt's ranch! The ranch is a beautiful place, but it's also the source of trouble between Aunt Jane and Grandfather. As the Boxcar Children explore the land, they make an amazing discovery. Will it help mend Aunt's Jane's and Grandfather's relationship?

5
Mike's Mystery

By Gertrude Chandler Warner , Dirk Gringhuis (illustrator),

Book cover of Mike's Mystery

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…

6
Blue Bay Mystery

By Gertrude Chandler Warner , Dirk Gringhuis (illustrator),

Book cover of Blue Bay Mystery

The Boxcar Children are on a trip with Grandfather to a beautiful island in the South Seas! The island is supposed to be deserted, but as the Aldens explore, they start to find signs that suggest they are not alone. Is there a castaway living somewhere on the island.?

20
The Haunted Cabin Mystery

Book cover of The Haunted Cabin Mystery

The Aldens take a paddle-wheel boat down the Mississippi River to visit their friend Cap Lambert in his cabin. But strange things are happening on Cap's property. When they see spooky flickering lights at night, the Boxcar Children must find out if the cabin is haunted!

22
The Old Motel Mystery

Book cover of The Old Motel Mystery

Aunt Jane takes the Aldens to Florida to visit her friend Kay! Kay owns an old motel, but it's so rundown she thinks she might have to sell it. The Boxcar Children are happy to help her fix things up, but soon they learn someone is trying to keep the…

23
The Mystery of the Hidden Painting

Book cover of The Mystery of the Hidden Painting
The discovery of a painting of the children's grandmother involves the Aldens in a search for a sapphire necklace.

24
The Amusement Park Mystery

Book cover of The Amusement Park Mystery

The Aldens visit their cousins Joe and Alice, who live near an amusement park! The park has games, cotton candy, and a beautiful old carousel with wooden horses. But then Benny notices one horse isn't working and his favorite dapple gray has been damaged. Why would someone sabotage the carousel?

25
The Mystery of the Mixed-up Zoo

Book cover of The Mystery of the Mixed-up Zoo

The Boxcar Children are excited to be visiting all their favorite animals at Edward Marlow's zoo! But they soon discover someone is mixing up the signs on the cages and putting animals in danger. Can the children catch the culprit and save the animals in time?

26
The Camp-Out Mystery

The Camp-Out Mystery
These kids used to live alone in a boxcar and now they live with grandpa and he is taking them camping. They loved setting up camp but something strange happens in the night, loud music, their lantern disappears. Now they have a mystery to solve.

27
The Mystery Girl

By Gertrude Chandler Warner , Charles Tang (illustrator),

The Mystery Girl
The Aldens notice that one of their fellow employees at Jerry Taylor's general store may be a spy for the new shopping center, so they try to stop her before she puts Mr. Taylor out of business.

28
The Mystery Cruise

Book cover of The Mystery Cruise
FOR USE IN SCHOOLS AND LIBRARIES ONLY. While on a cruise with their grandfather, the Alden children help discover who is behind the mysterious troubles of the ship--disconnected phone lines, engine trouble, a man overboard--and still have fun sightseeing, eating, and swimming.

29
The Disappearing Friend Mystery

By Gertrude Chandler Warner , Charles Tang (illustrator),

The Disappearing Friend Mystery
At the same time that the Alden children's efforts to raise money for a new hospital wing are being sabotaged by nasty tricks, they find their attempts to befriend the new girl Beth frustrated by her strange behavior.

30
The Mystery of the Singing Ghost

By Gertrude Chandler Warner , Charles Tang (illustrator),

The Mystery of the Singing Ghost
When the Boxcar Children take on the task of fixing up a dilapidated old house in Greenfield before their cousins move in, strange things begin to happen, and the young sleuths begin to think that the house is haunted.

31
The Mystery in the Snow

Book cover of The Mystery in the Snow
Is someone trying to ruin the winter games at Snow Haven Lodge? Skis go missing and then Benny’s snow people are smashed! It’s up to the Aldens to find the culprit.

32
The Pizza Mystery

By Gertrude Chandler Warner , Charles Tang (illustrator),

Book cover of The Pizza Mystery

The Alden children love helping out at a local pizza parlor, but a blackout and other problems make them wonder if someone is trying to shut down the business. Aligned to Common Core Standards and correlated to state standards. Spotlight is a division of ABDO.

33
The Mystery Horse

Book cover of The Mystery Horse

The Aldens are excited to work on Sunny Oaks Farm, milking cows and making jam! But when they find out Star, the beautiful horse locked in the stables, looks identical to a famous racehorse named Wind Dancer, the children grow suspicious. What is this racehorse doing on the farm? And…

34
The Mystery at the Dog Show

Book cover of The Mystery at the Dog Show
FOR USE IN SCHOOLS AND LIBRARIES ONLY. The Alden children suspect someone of trying to sabotage the local dog show.

35
The Castle Mystery

Book cover of The Castle Mystery

The Boxcar Children are visiting a castle! But as they help to restore it, they see mysterious lights, hear strange music, and see spooky faces in the windows. Who is haunting the castle?

38
The Ghost Ship Mystery

By Gertrude Chandler Warner , Charles Tang (illustrator),

The Ghost Ship Mystery
During a trip to New England, the Aldens learn about a mysterious ship, the "Flying Cloud," that had been lost at sea years earlier and that supposedly reappears during a storm

39
The Canoe Trip Mystery

Book cover of The Canoe Trip Mystery

Nothing can stop the Boxcar Children from having fun on their canoe trip! When they arrive at Timberwolf Lake, they find clues of a hidden treasure somewhere nearby. But before they can try to find it, their camping gear is stolen. Is someone else trying to get the treasure!

40
The Mystery of the Hidden Beach

Book cover of The Mystery of the Hidden Beach

The Aldens are spending a week at Camp Coral in Florida. They love studying fish, learning how to windsurf, and exploring the ocean. But then a portion of coral reef is destroyed. The Boxcar Children are determined to find the culprit!