The four Alden children have adventures and solve crimes during the winter in three separate stories.

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 are investigating strange events at a hotel that some people say is haunted, and it seems like every room holds a new surprise. In this interactive, choose-your-path mystery, readers will put their sleuthing skills to the test, making decisions that will either help the Aldens crack the case or lead them deeper into the haunted hotel.

A family, snowbound in a vacation cabin, discovers adventure in surrounding wild life, three children they find in the snow, and a search for a lost recipe.

Relates the exploits of the four Alden children as they locate a missing man. The Boxcar children are determined to solve the mystery that surrounds an old yellow house on their grandfather's property. Strange things have happened in that house where long ago a man disappeared.

In The ghost of the chattering bones, while vacationing at a friend's country home, the four Alden siblings try to find a long-missing, priceless brooch and investigate the existence of a ghostly stream. In The creature in Ogopogo Lake, 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. In The vampire mystery, when the Aldens agree to watch the...

The mystery of the singing ghost: The Boxcar Children are helping to fix up the house that their cousins have bought. But the house seems to be haunted by a ghost who sings! Will an old diary explain the house's secrets? The mystery of the mummy's curse: Strange things have been happening at the Greenfield Museum ever since an Egyptian mummy arrived for a special exhibit. Could an ancient curse be to blame for all the bad luck? The mystery of Skeleton...

Mystery ranch: The Aldens visit their mysterious Aunt Jane at her run-down ranch and make a surprising discovery! Mike's mystery : A nearby house burns down while the Boxcar Children are staying with their Aunt Jane and their friend Mike is blamed for starting the fire! Blue Bay mystery : The Aldens are excited to visit a deserted South Seas island. But soon they discover clues that they are not alone. Is someone on the island watching them?

Mystery in the sand: A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are ingredients for the Aldens' latest mystery. Mystery behind the wall: A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection. Bus station mystery: The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted...