While staying at the Crooked House, the family home of their housekeeper Mrs. McGregor, the Aldens try to solve a riddle that will lead them to a hidden treasure.

A series of practical jokes at a restored nineteenth-century farmhouse makes the Aldens wonder if the ghost of its builder is at work.

While Henry, Jessie, Violet, and Benny help a friend fix up an old mansion filled with skeletons belonging to the doctor who once lived there, statues begin disappearing from the mansion grounds and a walking skeleton may be the culprit.

The Aldens visit an old camp in Quebec, Canada, and begin to suspect that someone or something is trying to scare them away from the place.

The Aldens help a farmer whose honeybees have stopped producing honey and discover a sabotage scheme.

For over a century, no four young ladies have delighted more people, touched more hearts, or won more lifelong friends than the vivacious March sisters of boston - beautiful Meg, independent Jo, angelic Beth, and artistic Amy -- whose common family bonds and separate personal destinies make up the irrestible story of Little Women.

The Aldens arrive at Camp Seagull, eager to participate in the camp Olympics. Someone is determined they won't win. Can they find out who?

The Aldens take part in a hunt at a gem mine and discover that someone is out to sabotage the contest.