French chemist Louis Pasteur made several significant contributions to the world of science. This intriguing book examines how Pasteur uncovered the basis of the modern germ theory. Readers… More →

With a passion for making a difference in their communities, social entrepreneurs exemplify the traits of an engaged, socially aware, 21st century citizen. What is Social Entrepreneurship?… More →

Technology is the name we give to the tools that help make work easier, safer, or more fun for us to do. Learn about the basics of technology and how it improves our lives. More →

What is the Rock Cycle describes the natural transformation of one type of rock into others. Beginning with igneous rocks made in volcanic eruptions, rock is weathered and eroded gradually to More →

Charles Darwin is known as the father of evolutionary biology. This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the… More →

In 1912, German meteorologist Alfred Wegener published his groundbreaking theory of continental displacement. His theory proposed that the continents were once a single land mass but had… More →

Leader, soldier, prisoner, spy - do you know who is who in WWII? • Who cracked the German Enigma code? • Who helped save many lives in Poland? • Who escaped from POW camps three times?… More →

Why are oceans some of Earth's most important resources? This title explores the many ways humans and other living things depend on oceans, from helping to clean the air and regulating the… More →

Even though carbohydrates have been given a bad rap in recent years, they are essential for maintaining good health. This fascinating title examines the chemical structure of carbohydrates… More →

There is a great deal of fuss about fat! Fat is an essential nutrient for optimal health, however too much fat can lead to health problems. This informative title helps clear up the confusion More →