Encyclopedia of Environmental Issues

Assembles information from numerous fields relevant to environmental issues, including biology, geology, anthropology, genetics, and engineering, and explains the interrelationships of these issues.

STEM Database (Proquest)

Designed for middle and high school students this research tool supports the study of sciences such as biology, chemistry, physics, technology, engineering, and math.



Chemical Compounds

This eBook defines what a chemical compound is, how elements combine to form compounds, and an A-Z list of compounds and their characteristics.

Biomes and Ecosystems

Illustrates the biology, geography, history and ecological importance of biomes and ecosystems around the world.