This bood describes the most important events in the history of the Native Americans, from their arrival on the continent to their subjugation by U.S. forces in the 1900s.

Native American society was economically advanced. Trade routes linked distant peoples, while farming, manufacture, and technology were highly developed,and warfare was an economic necessity.

The main topic of this volume is study of matter: what is it, what its properties are, and how it relates to the forms of energy encountered in nature....

Describes how technological advances in China and the Arab world during the medieval period helped make up for the lack of scientific discovery that took place in Europe after the fall of the Roman Empire and explores how the Renaissance became a great period of European learning and discovery.

This book looks at the world's polar lands and how animals and plants have adapted to survive in environments where temperatures are below freezing for most of the year.

Insects: Discover a secret world under the microscope

This book looks at the world's deserts and how animals and plants have adapted to survive where there is little water and where temperatures may be scorching hot by day and bitterly cold at night.

This book looks at the world's oceans and how animals and plants have adapted to life in, on, and around salty water. Many swim at the surface, while others lurk in the pitch-black depths beneath.