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Learn what it was like to travel on the transcontinental railroad in the 1860s.

There are dump trucks with tires as high as two grown men! These enormous trucks could never share a street with other vehicles. This explains why "off-road" is how they roll. They are built for construction sites. Check out some massive dumpers in this title.

Female engineers are hard at work designing the technology and infrastructure of our modern world. Women in Engineering looks at individuals who are making a major difference in this field. Compelling text, full-color photos, and helpful back matter highlight these women and their work. Features include a table of contents, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards.

This book will introduce beginning readers to the world of cams and cranks. Real-world, vivid full-color photographs, examples, and simple text will introduce young readers to motion and the many functions of cams and cranks.

This book will introduce beginning readers to the fascinating world of simple machines and physics, specifically screws. Real-world, full-color photographs and simple text will inspire young scientists to explore the wonders of screws and how they make our life so much easier!

The largest diggers are extreme excavators. Some have buckets wider than houses or multiple buckets attached to spinning wheels. These diggers dominate the scene at many construction sites and surface mines. Let them dominate your reading time!

Tractors are in the spotlight in this title published jointly with New Holland Agriculture. Readers will learn what parts tractors have, how they work, and how farmers use these machines.

"This photo-illustrated book for early readers describes the parts of a dump truck, different types of dump trucks, and the jobs they do. Includes photo glossary and matching game"--Provided by publisher.

Building a new road is hard work. What machines are used to build new roads? How do road workers make new roads where there are rivers and forests and mountains?

Humvees are versatile vehicles that are able to traverse almost any terrain. They are used to accomplish a variety of missions. Young readers will learn about the development and uses of the Humvee that make it a vital resource for the United States Armed Forces.