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

On her first day in New York City with her younger brother, Kevin, twelve-year-old Lexi overhears thieves discussing where to hide stolen jewels,

The Alden children are trapped in their cabin by a snowstorm, but while they wait for the storm to pass, they discover the cabin is full of secre

The Alden children are on their way to visit their aunt when they see a "mystery man" and they make a surprising discovery.

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

While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

Fame, seduction, scandal, and murder loom large in Mystery, as Alex Delaware finds himself drawn into a twisting, shadowy whodunit that's pure Lo

When her longtime boyfriend, Dillon, is accused of murdering his secretary, police officer Josie Gray struggles with precinct disputes and memori

Targeted by a disabled former spy for the Crown who wrongly believes she is blackmailing his sister, Beatrice Lockwood offers her assistance in t

When they are left with a mysterious, witchlike babysitter on Halloween, Susan and Mike try to figure out whether she really has magical powers.

The Alden Children are fixing up an old castle that will be turned into a museum, but they have to solve the mystery hidden within the castle's w

The Alden children love helping out at a local pizza parlor, but a blackout and other problems make them wonder if someone is trying to shut down