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Discusses the great migration into the American West and how it shaped our nation today.

Explores the land, people, history, economy, and travel opportunities of the state of New Mexico.

"Often called the 'panhandle state' for its unique shape, Oklahoma is a rich land, full of hundreds of lakes and miles of rivers, thick, green forests, rolling mountains, and productive farmland. Readers will get an up-close look at life in Oklahoma, from where people live to what their local traditions are. They will also learn about the state's history, government, economy, and more."--

Provides a brief overview of the geography, wildlife, history, and people of South America.

Explains the concept of energy, the laws describing how it works, and how scientists have studied it over the years.

Explores what electricity is made of, how it works, and how humans have learned to create and control it.

Discusses how gravity works, how it is related to mass and weight, and what important discoveries scientists have made about it over the years.

A study of earthquakes and the science behind them.

Explores the desert ecology, discusses how some are formed, and explains how people, animals, and plants survive there.

An illustrated introduction to stars that explains where stars come from, the different types of stars, how stars are studied, and related topics.