Describes how asthma is diagnosed and treated, including the many possible triggers of asthma attacks and how it attacks the airways of those who suffer from it, making it difficult to breathe.

"A children's book detailing the geography, population, features, etc. of North Carolina"-- $c Provided by publisher.

Provides information about Everglades National Park, including how it became a national park, which wildlife can be found there today, and how it is affected by environmental issues.

Provides information on the Great Smoky Mountains, including which plants and animals live there, how the park was formed, which people used to live there, and more.

"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."-- Publisher's web site.

Provides an introduction to the geography, history, wildlife, and people of North America.

Presents facts about the constellations including who discovered them, which ones can be seen from earth, the stories behind their names, and more.

Discusses the building of the transcontinental railroad.

"This book details the history, culture, geography and government of South Carolina."--Provided by publisher.

Presents facts about meteors, meteor showers, meteoroids and asteroids.