Huge blades, giant tracks, and powerful engines enable these colossal bulldozers to wipe out anything in their paths. They can even move 90 cubic yards of material per pass! Plow through more on these amazing machines in this title for beginning readers.

Pushing ahead and moving anything in its way, the bulldozer is a bladed beast. And a blade is often not the only sharp tool on this machine. A claw-like ripper can pierce through hard ground. This elementary title will push students to grow as readers.

Digging deep in the dirt. This is what a backhoe is built to do, with its long arm and bucket scoop. No muscular man or woman with a shovel in hand can match the machine's strength. Young readers will dig this title that breaks down how backhoes work.

As the tallest buildings on Earth, skyscrapers tower over cities! These massive buildings house offices, shops, and apartments in cities around the world. This title introduces readers to the building methods, materials, and science that lets these towers climb high into the sky.

Concerts, ball games, races, and many other events take place in stadiums around the world. These large structures are build to hold thousands of people. Eager readers will find information on the different kinds of stadiums, preferred construction materials, and the science that gives these massive buildings their strength.

Scientists categorize rocks into three different groups depending on how the rock was formed. Humans have used rocks from all groups as tools and in construction for thousands of years. Readers will be amazed to learn how heat, pressure, magma, and even water bring minerals together to form these useful compounds in this elementary title.