Robert Papp

When the Boxcar children help out in a local garden, they dig up one strange thing after another! First, the tomato plants seem to move every day. Find out how that can be.

In 1777 Philadelphia, young Maddy Rose spies for General Washington's army by using an unusual code to communicate with her soldier brother.

The Boxcar Children have been choosen to compete against another team to look for clues on a game show.

When the children uncover a strange puzzle in a friend's back yard, it's the start of a "spy game" leading to gold. But first they must make sense of an old photo and a riddle, and learn just who is behind this mystery within a mystery.

A local radio station is holding the Great Detective Race, and the Boxcar Children have entered the contest! They solve riddles and search all over town for clues leading to the grand prize. But when some of the clues turn out to be fake, it's clear that someone is playing unfairly! Who could be trying to ruin the race - and why?

When a new store called the Game Spot opens in their town, the Aldens are thrilled. But it's not fun and games when the other stores at Crossroads mall are robbed. What's more, letters are disappearing from the sign in front of the shopping center!

The Aldens try to solve a series of mysteries which took place in an old hotel in Kansas that they visit.

The Aldens investigate the rumors of ghosts, disappearing props and a haunted seat in the Trap-Door Theater.

The four Alden children, aged six to fourteen, uncover a mystery while volunteering at a food pantry for the needy.

Eleven-year-old Gabe enlists in the Union Army in Pennsylvania along with his older brother Davy and, as bugler, does his best to protect Davy during the Battle of Gettysburg.