While staying at the Winding River Lodge, the Alden siblings investigate tales of a zombie haunting a lake in the woods.

When someone is trying to steal Mama Tova's secret cupcake recipe, Henry, Jessie, Violet, and Benny follow the clues to a cupcake contest where they must use their mystery-solving skills to find the thief.

While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buried pirate treasure.

Finding a rare comic book at a convention, the Alden children investigate a fake note signed by the comic's creator.

The Aldens stumble upon a new mystery to investigate when they discover that the fruits and vegetables they are helping grow in a local restaurant's garden are disappearing.

While a family is spending time at a rescue ranch for horses whose owners cannot care for them, two of the oldest horses are stolen.

"A hip new doughnut shop known for its bizarre recipes is opening up in Greenfield. At first, the owners of the other doughnut shop in town, Delilah’s, aren’t worried. But when the new shop starts making doughnuts that look just like some of Delilah’s greatest hits, the Boxcar Children must figure out if it’s just a coincidence or if someone from the new shop is stealing Delilah’s recipes."--Amazon.com.

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

The Alden children plan to ride in their boxcar at the Greenfield Founders' Day Parade, but the newly refurbished boxcar is stolen a couple of days before the big event.

The Aldens are excited to meet their favorite celebrity--Walter the Cat, who makes the funniest videos on the Internet! And when this celebrity cat inherits a million dollars from his owner, he becomes even more famous! But someone seems to be angry about the will and is stealing things from Walter's house. Is this cat too famous for his own good?