At nearly 30 feet long and 14 feet high, these massive tractors tear up fields with incredible power. After a day of ripping cropland, the points even glow red hot! Young readers will harvest a deep interest in tractors after reading this exciting title.

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.

Much of our understanding of ancient plants and animals comes from the fossil record. Big or small, fossils offer images of life on Earth from billions of years ago! Young paleontologists will solidify their interests by learning how to study fossils in this fascinating title.

Drivers who need to quickly get from one place to another use highways! In this title for emergent readers, the construction, materials, and science of highways are presented in a straightforward way with simple text, crisp photos, and engaging special features.

Dams are not just built to stop water. They can also change the direction it flows! Beginning readers will delve into this title that explains the kinds of dams, how forces act on them, and the benefits of certain materials in dam construction.

Bridges take cars, trains, and people across rivers, lakes, and canyons. This introductory title covers the materials used in bridge construction, the types of bridges, and the scientific concepts that make bridges work.

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.