Describes the discovery of Anasazi cliff dwellings in southwestern Colorado in 1874 and the speculations which arose about the origins and eventual fate of this Native American people

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 their Pennsylvania town in 1942 twelve-year-old Charlotte and her classmates collect scrap metal for the war effort only to have it disappear from the school basement

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 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

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

Jonathan Argyll, an enthusiastic young art scholar from England, has followed his suspicions about a long-lost Raphael painting to a small church in Rome. Not only is the painting in question gone from the site, it has been swiftly purchased, restored, auctioned, and installed in Rome's National Museum. But when the recovered Raphael is just as swiftly destroyed in a fire, Argyll begins to suspect its authenticity ... and the innocence of every person...

In 1868, twelve-year-old Emma and her widowed mother move to a tiny mining town in Colorado Territory to start a newspaper, but someone is determined to scare them away

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