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?

When Benny and Henry get summer jobs at a department store in town, they don't expect to be solving mysteries at work. But when an expensive vase disappears, the salespeople receive strange notes, and the jewelry display is tampered with, it's up to Benny to uncover the truth!

The Alden children discover a necklace that bears a striking resemblance to their grandmother's necklace, stolen on her first wedding anniversary

The Aldens search for carousel horses that have disappeared from an amusement park.

In the amusement park's Haunted Fun House, twelve-year-old Leo hears the sound of a voice pleading for help.

A contemporary thriller by the bestselling author of The Old Willis Place. Two 13-year-old boys, Arthur and Logan, set out to solve the mystery of a murder that took place some years ago in the old house Logan's family has just moved into. The boys' quest takes them to the highest and lowest levels of society in their small Maryland town, and eventually to a derelict amusement park that is supposedly closed for the season.

When the Aldens visit their cousins, they're in for a surprise-there's an amusement park nearby! It has everything they could ask for, with plenty of rides and games. But the children see strange lights coming from the closed park at night. And then a mysterious phone call warns them to stay away! Just what is going on at the amusement park?

The Alden children wonder if the Florida panther could be the key to the disappearance of Andrew Beldon, a ranger in Everglades National Park in whose apartment they discover plenty of material about the endangered creature. Original.

The Aldens search for carousel horses that have disappeared from an amusement park.