Jean F. Blashfield

Discusses the origin, discovery, special characteristics, and uses of the sixth most abundant element in the Earth's crust.

Presents the basic concepts of oxygen, the most important chemical element in our lives and also the most abundant element in nature.

Presents the basic concepts of carbon, one of the most important chemical elements found in all living things.

Introduction to one of the United States' original colonies, Delaware. Describes its origins, its leaders, and the colony's role in America's independence from Great Britain. Help children discover America's thrilling early history with Our Thirteen Colonies. Each book begins with the prehistory of one colony, describing the Native Americans who inhabited that area, and then honestly portrays the arrival of European settlers and the growth of a new...

Try your luck, and search for your fortune in California! Follow the joy and heartbreak of the '49ers during the California Gold Rush.

Describes the history, geography, ecology, people, economy, cities, and sights of the state of Iowa.

Describes the various weapons developed and used during the Civil War, such as longarms, handguns, swords, cannons, naval weapons, and mines, and explores that era as the beginning of modern weaponry.