Because hydrogen fuel gives off water as a byproduct and does not emit any carbon dioxide, many people believe it could one day compete with oil as the major transportation fuel. In Hydroge
On summer nights, the air is often filled with the sound of crickets chirping. Symbols of good luck in many cultures, crickets live in gardens across the globe. Amazing up-close photographs explore t
Cell phones have changed the way people live, work, and communicate with each other. Since the first handheld phone was created in 1973, cell phones have only increased in popularity. How Do Cel
Geothermal energy—energy from Earth's molten core—has been used for thousands of years for heating and bathing. Today, it is one of the least environmentally disruptive sources of power b
Snail provides an accessible introduction to the physical characteristics, habits, and behavior of these slow-moving creatures. Full-color photographs add to the text by giving readers a close-up loo
When you walk into a room and flip a light switch, a lightbulb turns on, illuminating the area. But how does one small switch do such a large job? Why Do the Lights Turn On?
Among recent concerns about the use of nonrenewable fuels such as oil and coal, scientists have been trying to discover alternative ways of making energy and electricity available. Sunlight is a free
France's history, regions, food, and culture are discussed in this colorful volume, as well as the story behind the country's national anthem and flag. A guide to pronouncing common French phrases an
The island country of Japan has a distinct, vibrant culture. The Japanese national anthem, a pronunciation to common Japanese sayings, and the country’s history are all discussed in this descri
From the Leaning Tower of Pisa to Venice's famous gondolas, this engaging text presents Italy's history and culture from the Roman times to modern day. Young readers will appreciate the ample fact bo
From sea to shining sea, the United States of America is home to many different cultures and people from around the world. This interesting title relates the history of the United States, from the ea
From vegetable oils to starches, these biodegradeable fuel sources are seen as environmentally friendly ways to power vehicles, heat homes, and cook food. Biofuels discusses different types of b
Spiders have both terrified and fascinated humans for thousands of years. This book gives an overview of where and how spiders live, examining their life cycles, predators, and defense mechanisms.
Dazzling in appearance, dragonflies have long captured the imagination of people in various cultures. In this volume, dozens of full-color photographs enable readers to learn about the needs, life cy
Though nuclear energy provides much more power than fossils fuels like coal, its use is hotly debated because of the potential for radiation seeping into surrounding areas. Still, it is widely used a
As the main entry facility for immigrants coming to the United States for more than half a century, Ellis Island was the last stop before a move to freedom in America. About 12 million people from Eu