history

Relates in rhyme the famous Dutch scientist's penchant for viewing things with a microscope, through which he made remarkable observations.

Describes the building of ten constructions spanning 500 years of American history. Includes the Mesa Verde cliff dwellings, the Washington Monument, the Holland Tunnel, the Mount Rushmore carvings, and the Mackinac Bridge.

Traces the origin or invention of 28 common, everyday items, such as shopping carts, jigsaw puzzles, frozen foods, zippers, safety pins, vacuum cleaners, and rubber bands.

Describes the Inca civilization in Peru and how it was destroyed by the Spanish conquest.

More than twenty brief biographies of women who fought for their country's independence. Includes information on related historic sites and markers that can be visited today.

Briefly explains the matching and comparison of quantities, the naming and ordering of numbers, and counting--all steps in the history of numbers.

Traces the history of the calendar from ancient times to the sixteenth century when the Gregorian calendar used today came into being.

Describes the development of a fictional city in Central America from 1000 B.C. to the late twentieth century.

Provides historical background and detailed information on the Viking soldier's training, duties, weapons, armor, equipment, rations, daily life, battle tactics, and military discipline.

Describes what life was like in the United States during the colonial period.