The scenarios are unnerving: an asteroid on a collision course with Earth, melting polar caps, and deadly pollution, to name a few. However, readers will be drawn to this book…

Whether they are testing a new drug, creating new materials, or checking the safety of our food and water, all scientists follow the scientific method. One of the major steps…

The Soviet Union made history when it launched Sputnik I, the world’s first artificial satellite. Now, more than half a century later, there are about 5,000 satellites in orbit around…

Article I of the U.S. Constitution established the U.S. Congress. As the legislative branch of the government, both houses of Congress play an important role in the country. Your readers…

Coming to power between Mongol and Manchu rule, the Ming Dynasty represented the last ethnic Han dynasty to rule China. Following the Mandate of Heaven, the first Ming emperor launched…

In this title, students listen in as scientists, governmental agencies, and environmental task forces debate and discuss the future of fossil fuels. Readers will discover that fossil fuel supplies are…

People often look for ways to make caring for their pets easier or more effective, but only a fraction of these people actually create new products to try to achieve…

Introduces the civilization of ancient China.