"The Aldens visit a dinosaur dig in Montana and soon become involved in a mystery involving missing dinosaur bones"--

"The Aldens head to Ladakh, a territory in northern India, to help save the elusive and critically endangered snow leopard"--OCLC.

While visiting a small town in Alabama, the Aldens hear mysterious howls at midnight, leading them to wonder if an old local legend about a ghost dog is true.

"During auditions for the show 'Pop Star Sensation' at the local mall, one of the judges, a famous pop star, disappears, and the Aldens must find out where she went"--

A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.

When the Alden children and their grandfather visit Everglades National Park in Florida to solve the mystery of a missing ranger, they discover that a panther provides a clue.

"In the town of Sleepy Hollow, the Aldens discover an old legend that's come back to life! Their friend's ghost-tour business is being disrupted by a spooky figure on horseback who throws pumpkins in the streets and frightens everyone. Has the headless horseman returned to haunt the town? The Boxcar Children must find out before the ghost tours are ruined!"--Jacket flap.

The Aldens are visiting friends for a big Dia de los Muertos celebration. The kids love learning about the holiday and helping out - that is until mysterious events threaten to ruin everyone's preparations. Can the Aldens figure out what's going on and help their friends save the celebration?

"Cousin Alice is running for mayor, and the Boxcar Children must find out which of her opponents is using sneaky tricks to win the race!"--Provided by publisher.

The Aldens' friend Max says nothing interesting happens in Port Elizabeth. But when the children visit the small fishing village and come across a man snooping around the local library, they prove that every town has its mysteries.