When her family temporarily moves into a luxury apartment building in 1904 Manhattan, eleven-year-old Samantha tries to discover whether a series of mishaps is related to a curse on the building's owner.

A stranger leads Josefina to believe that the old stories about buried treasure in New Mexico might be true.

"In 1970s San Francisco, Julie and her best friend Ivy learn about Chinese immigration in the early twentieth century when they investigate a mysterious doll theft." --

Marie-Grace is excited that a well-known English opera company will perform at the very theater where she takes singing lessons from Aunt Océane, but as she and her friend Cécile help out backstage, the make disturbing discoveries.

At the start of the Klondike gold rush of 1897, while traveling through Canada with her father, uncle and friends, twelve-year-old aspiring author Hetty tries to determine the identity of a thief.

In the early 1700s, twelve-year-old Suzette, an Ojibwa-French girl, hopes that her father will win the fur-trapping contest so that he can quit being a voyageur and stay with his family year-round, but when he is accused of stealing, Suzette must use her knowledge of both French and Ojibwa ways to find the real thief.

In 1860, eleven-year-old Annie, who lives at the Red Buttes Pony Express station in the Nebraska Territory, asks Pony Express rider Billy Cody to help her find the person responsible for sabatoging her favorite pony Magpie.

In New York City in 1914, eleven-year-old Susan encounters a mystery through an independent-minded female boarder and becomes involved in the growing suffrage movement.

Twelve-year-old Elspeth Monro, a Scottish settler and weaver's apprentice on the North Carolina frontier in 1775, must find out who is betraying her Loyalist family during the months before the start of the Revolutionary War.

In 1904, twelve-year-old Orphelia follows her dream by running away from home to join an all-black minstrel show headed for the Saint Louis World's Fair, and learns about her family's troubled past in the process.