The Alden children draw upon their resourcefulness to save the neighborhood firehouse from being torn down, while they also face a series of mysterious incidents connected with it.

Benny begins a treasure hunt at the beach and discovers a gold locket buried in the sand.

The Alden children have an adventure as they journey along with the Little North Railroad in two cabooses rented for the summer by their grandfather.

Grandpa Alden and the Alden children encounter danger, excitement, adventure, and mystery in a quiet island fishing village.

In The haunted clock tower mystery, strange lights are coming from the Goldwin University clock tower at night. Are there ghosts on campus? In The ghost in the first row, rumors swirl at the Trap-Door Theater when props begin disappearing and a seat appears to be haunted. What secrets lie behind the scenes? In The Sleepy Hollow mystery, someone--or something--is scaring visitors in Sleepy Hollow. Could the legendary headless horseman be real?

The Boxcar Children rush to investigate when it appears that someone is trying to rid the Ocean Adventure Park aquarium in Florida of its main attraction--a great white shark.

Four orphans take shelter in an old, red boxcar during a storm, and, determined to make it on their own, they turn it into a safe, cozy home.

At the request of their distant relative Althea, the Boxcar Children arrive at her old Virginia mansion and investigate the mysterious incidents happening there.

While visiting Michigan's Upper Peninsula to prepare their Great-aunt Sophie's big old house for sale, the Boxcar Children encounter a mystery involving a valuable ring supposedly hidden somewhere in the house. Includes puzzles and activities.