The territorial acquisitions of the United States, including areas that were part of the United S...

This book introduces students to how important plants are to our planet and our existence and ill...

Estuaries and the lands surrounding them are places of transition from land to sea and from fresh...

In this book, students learn how to make patterns out of colors, shapes, and lines. They discover...

Have you ever wondered why people are asked to take off their shoes and have their bags scanned b...

As the Pilgrims set off for the New World to establish a colony, danger and struggle created many...

Students will examine the election process, a key aspect of our political system, from beginning ...

During settlement, the Great Lakes and its rivers were the only practical means of moving people ...

The Spanish empire populated the American West with Catholic missions, shaping the culture and tr...

In the far-north latitudes, just below the treeless tundra of the polar region, a forest of everg...

In this book students will learn that having a positive attitude can make a person feel better an...

Did you know that the Arctic tundra is the world's youngest biome? Located at latitudes 55A(deg) ...