Sent to live with relatives in New Orleans during the War of 1812, eleven-year-old Elisabet determines to find a smuggler's treasure to ransom her imprisoned father.

When her homing pigeons disappear while her father is fighting in World War I, a twelve-year-old girl suspects a German spy may be responsible With her father in France, fighting in the war, Pam Lowder has the responsibility of taking care of the family's prize-winning homing pigeons on their farm. The birds are special because her father trained them to fly at night so they can bring messages to his family when he's not there. And now a stranger...

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.

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 1865, while helping her family keep their Virginia farm going through the end of the Civil War, twelve-year-old Cassie meets a Confederate deserter and a Yankee prisoner of war and tries to discover who has been stealing from the farm.

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.

In 1754, with her own parents taken captive, twelve-year-old Rebecca must confront her fear and hatred of the Abenaki when a boy raised by members of that tribe is brought to the fort at Charleston, New Hampshire, just before a series of thefts occurs.

In 1724, twelve-year-old Rachel and her friend Sally discover a pirates' hiding place on a deserted island near Charles Town, South Carolina, and they suspect it may be connected to the woman who will soon become Rachel's stepmother.

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.

Twelve-year-old Rose sets out to prove her brother's innocence when he is accused of shooting a politician during a Wild West show performance in Louisville, Kentucky, in 1886.

In the late nineteenth century, twelve-year-old Rhoda investigates her suspicion that a wrecker may be luring ships to their destruction on the Virginia barrier island where her father is Keeper of a U.S. Lifesaving Station. Includes historical notes on the United States Life-Saving Service.