Planes, trains, and automobiles—these are just some of the many achievements of mechanical engineering. This volume will show readers that they do not have to know complex equations to appreciate the
Alligators were once in danger of becoming extinct, but readers will learn about how these scaly beasts were rescued from the brink of becoming another sad story. Brimming with colorful photographs, r
In this comprehensive volume dedicated to ancient Chinese civilization, upper elementary–level readers will learn the different dynasties of ancient China, the memorable leaders that spearheaded them,
Presents a history of the belief in miracles, the various explanations given for their existence, the challenge to the belief from rationalism, and the role of miracles in modern popular culture.
The wild, plundering lives of the Vikings have been fodder for stories and myths for centuries. The terror and destruction they allegedly caused has filled books, movie screens and more. But there is
Not only were the gladiator games a central part of life for the average Roman citizen, but they also played a significant role in the development and maintenance of the Roman empire between 264 BCE a
During the European quest to conquer the “New World” of the Americas in the 16th century, Spain was no exception. This text shines a spotlight on the story of the Spanish fighter-turned-explorer, the
Bursting volcanoes, cooling magma, crystals, and granite: this title covers everything igneous rock related. Written for a lower-elementary-level audience, the science behind the rock cycle and the fo
Without electrical engineers, the world we live in would look very different. Telephones (both landlines and cell phones), televisions, refrigerators, air conditioners, computers, video games, and man
This straightforward but fascinating book takes a close look at Venus and shows young people just how different our neighboring planet is from our own. Known as the hottest planet, Venus is an example
Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between
Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and de
Minerals are solid, naturally occurring substances that make up much of what we use in our daily lives, from household items and medicines to food and computers. Readers will learn how minerals form,
Even as the national bird of the United States, the bald eagle has not always been universally beloved. Hunting, poisoning by DDT, and other human activity reduced bald eagle numbers from many thousan
Sitting Bull is an iconic figure in the history of Native American resistance to white settlement. This thorough lower-elementary-level biography paints the story of the famous Lakota chief's life. Si
The exciting world of aerospace engineering is broken down in this lower-elementary-level title that presents everything aerospace in a well-organized format. The history of aerial navigation is cover
One of the fastest ways for many people to travel together over land is by train. Although train travel in America is not as popular as it was a century ago, it continues to convey a sense of mystery
Single or multicolored, smooth or multifaceted, gems of all kinds captivate people of all ages. This vibrant volume will teach the budding geology buff how a single mineral can form many varieties of
