history

Examines the history of money, including the barter system, early trade in North America, unusual types of money such as huge stone disks and salt bars, and the first paper money.

Describes the operation, stations, and famous conductors of the Underground Railroad, a network that helped slaves escape from bondage prior to the Civil War in the United States.

Profiles the life, influences and achievements of civil rights activist, Martin Luther King, Jr. Includes a timeline and tips on writing a biography.

An introduction to the weapons of the American Revolution, including muzzle loading flint-lock muskets, bayonets, pistols, knives, axes and tomahawks, sabers, swords, spears, and more.

Explores the roller coaster industry and what it takes to design and create coasters.

Describes the activities of famous spies of the Civil War.

Recounts the stories behind fashion inventions, such as blue jeans, the bra, buttons, swimsuits, velcro, and more.

Describes fun food inventions, including ketchup, doughnuts, PEZ, popsicles, and microwave dinners.

The rich history of the Hopis is still being celebrated today throughout the Arizona lands they call home. Detailed photographs of Hopi artwork, homes, and ceremonies bring readers into the world of this unique culture.