history

An introduction to the lives and accomplishments of nine American women inventors.

Provides accounts of ten significant twentieth-century inventors and the products they are responsible for including the laser, pocket calculator, and the microchip.

Contains over twenty true stories about samurai warriors of old Japan, and includes background information on the samurai lifestyle, their training, and armor.

Presents an illustrated account of the volcano eruption on the island of Krakatoa on August 27, 1883, and its aftermath.

Explores the origins and continuing development of the space program in the United States and the former Soviet Union, and highlights the international developments in space technology during the early twenty-first century.

Describes some of the most significant inventions of the twentieth century, including the microwave, cellophane, assembly lines, and others, and includes a glossary, bibliography, and resources for further study.

Explores how early scientists first realized the movements of the Earth and the effects they have on the planet, examining such things as seasonal and climate changes.

Chronologically arranged essays examine scientific theories, research, and breakthroughs during the twentieth century in the fields of meteorology and climatology; and provide information about significant events and notable individuals. Includes a list of print and Internet resources and a glossary.

Describes what life was like in medieval dungeons during the late fifteenth century, as seen through the eyes of the jailer.

Traces the history of guilds from their beginnings in medieval Europe to their decline in the sixteenth century.