The adventures of an unusual dog, part St. Bernard, part Scotch shepherd, that is forcibly taken to the Klondike gold fields where he eventually becomes the leader of a wolf pack.

A horse in nineteenth-century England recounts his experiences with both good and bad masters.

In 531 A.D., a fifteen-year-old princess of the Hsien tribe in southern China keeps a diary which describes her role as liaison between her own people and the local Chinese colonists, in times of both peace and war.

Eleven-year-old Nathaniel Knox becomes caught up in a gunfight between American and British troops during the American Revolution.

Lost in the Black Forest, Otto meets three mysterious sisters and finds himself entwined in a prophecy, a promise, and a harmonica--and decades later three children, Friedrich in Germany, Mike in Pennsylvania, and Ivy in California find themselves caught up in the same thread of destiny in the darkest days of the twentieth century, struggling to keep their families intact, and tied together by the music of the same harmonica.

Eel, an orphan, and his best friend Florrie must help Dr. John Snow prove that cholera is spread through water, and not poisonous air, when an epidemic sweeps across their London neighborhood in 1854.

A twelve-year-old boy named Moose moves to Alcatraz Island in 1935 when guards' families were housed there, and has to contend with his extraordinary new environment in addition to life with his autistic sister.

Eleven-year-old Abigail presents a diary account of life in Valley Forge from December 1777 to July 1778 as General Washington prepares his troops to fight the British.

The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson.

When thousands of Viking warriors descend on medieval Paris, Dak is captured and forced to work with the invaders while Sera and Riq defend the city, a situation that places them on opposing sides.