Robert Papp

The Alden children investigate when a farm which is famous for producing superior corn has its crop mysteriously damaged at night.

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

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?

The Aldens investigate when an old wooden mask they have found is stolen.

The Boxcar Children investigate a mysterious ghost with a glowing pumpkin head at a friend's farm.

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

The Aldens discover there's nothing more fun than a drive-in movie. But pranks and other odd things are happening at the Diamond Drive-In, and late at night, a ghost is seen walking around the empty lot. Is the old theater really haunted?

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.

When they take their dog, Watch, for obedience training, the Alden children discover that some of the dogs in the class have vanished and decide to try to solve the mystery of their disappearance.

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