Water covers about 70 percent of Earth’s surface. Most water is located in Earth’s oceans, but Earth’s freshwater is found in the lakes, rivers, and streams located around the globe. This title encour
Oceans sustain our globe, but they can also act as powerful tyrants of destruction. This volume provides an in-depth study of the ten most devastating tsunamis, exploring humanity’s historical relatio
The human body is an amazing machine made up of many fascinating systems. This fun, fact-filled book features a series of questions and answers about how the human body works. Readers will learn what
From learning about what an organ is, to how a body digests food, readers will discover the inner workings of the body in this book about organs and their functions. Readers will explore the brain, he
Chronicles the life and times of the mathematician who was a pioneer in the field of computer science and who helped Britain break Nazi codes and win World War II.
The dynasties of ancient China ruled the country for centuries. The contributions of the leaders and people of this time have a legacy that can still be seen in Chinese culture today. This title begin
Describes the life and accomplishments of Hillary Clinton, from her childhood and early years as a lawyer to her political career as First Lady, Senator, Secretary of State, and Democratic party presi
Examines the economy of the Aztec civilization, looking at the goods they produced, how they were traded, how wealth was distributed, and the work that people did.
Looks at the style of government used by the Aztec civilization, looking at their city states, their royalty, nobility, and law, as well as how their culture affected the form their government took.
Explains the climate and geography of the Inca Empire, including how they lived in the Andes Mountains, the Pacific coastal desert, and how they farmed and raised livestock while living in a mountain
Explains the organization of the Incan government, including the Sapa Inca's role as political and spiritual leader, how the empire collected taxes, and how crimes were punished.
Looks at the style of government used by the ancient Maya civilization, looking at their city states, their royalty, nobility, and law, as well as how their culture affected the form their government
Even the cleanest house is a habitat for micromonsters. But don’t worry, most are harmless. This revealing volume takes readers on a meet-and-greet tour of the tiniest organisms that live in people’s
Few people stop to consider they’re not alone in their body. It’s thought that the human body contains 10 times more bacteria than cells, in fact. Luckily, many of these microorganisms are harmless to
Sewing is a skill that’s useful for making cool crafts in addition to having many uses around the house. Readers learn the basic techniques of sewing through simple, clean explanations as they create
When a big earthquake hits, it seems impossible that scientists could measure it. But they can, even if they’re far away from the epicenter. The devastating and fascinating details of how earthquakes
Examines the life and achievements of Andrew Carnegie, the Scottish immigrant who made his fortune in the steel industry and used much of it for philanthropic causes.
Discusses the origins of the Louisiana Purchase, including the reasons why President Jefferson wanted to acquire Louisiana and why Napoleon wanted to sell France's territory in North American, the Lew
Space missions take years to plan. But they also take years to execute, so special robots are used to study deep space instead of astronauts. Pluto is so far away, the New Horizons probe took 10 years
Deep within the rain forest are trees that could cure diseases, venomous spiders, and a whole lot of rain. From the Amazon to Costa Rica, the world’s rain forests are fascinating places to learn about
In 1976, Viking 1 became the first spacecraft from Earth to land on Mars. For the first time, scientists were able to see the surface of the red planet. Since then, NASA and other space organizations
Profiles the life and achievements of the entrepreneur and philanthropist who revolutionized the chocolate industry by mass producing milk chocolate bars, and whose legacy lives on in the community he
Describes the types of robots and probes that have been developed to perform outer space exploration, discussing the Hubble Space Telescope, the Cassini orbiter, the Curiosity rover, and the Canadarm
When we think of life in a garden, we mostly think of gorgeous flowers, fragrant herbs, and tasty vegetables. But there’s much more life than we can see there. A garden is a habitat for some tiny orga
The thought that there are organisms on or in our food might make some people a bit queasy. But without certain organisms, we wouldn’t have some of our favorite foods such as bread, yogurt, and cheese
What do the Tibetan blue bear, the Kodiak bear, and the grizzly bear have in common? They’re all brown bears. Readers explore these and other kinds of brown bears through clear text that addresses que
Islam is one of the world’s major religions, and in ancient times, the Islamic world was one of the world’s major societies. This title provides a sweeping look at the important contributions people o
