The Alden children help their favorite Internet celebrity, Walter the cat, when he inherits millions from his owner and rumors begin to fly about his famous tricks being fake.

"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"--

The Aldens investigate when the new coach of their community basketball league has her Most Valuable Player trophy stolen.

When a bad storm hits Greenfield, the Boxcar Children must uncover a mystery without the help of their electronic devices.

The Aldens meet Mr. Hudson, a local author who is best known for his novel about a vampire. But rumors of a real vampire are going around town. But since vampires don't exist, the children soon realize that someone must be trying to scare people away from Greenfield. But why? Illustrations. When the Aldens agree to watch the house of a local author who has written a book about a vampire, they end up investigating activities that are suspiciously...

The Boxcar children uncover a mystery on a train trip from Boston to San Francisco.

While helping out their friends Dawn and Steve, the Aldens investigate the new donut shop that is stealing recipes from a longtime store in Greenfield.

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.

"Jessie and Benny are participating in the Great Greenfield Bake-Off, a local baking competition for kids. But ingredients get mixed up during the competition and then the power goes out. Is someone trying to put an end to the contest?" -- provided by the publisher.

Taking a shortcut through the Greenfield Cemetery, the Aldens stumble across a local superstition which maintains that visitors are required to leave gifts or suffer the wrath of a malevolent ghost, a suspicious tradition that prompts the children to expose the truth.