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.

Boom and jib. These are two crane parts with fun names. They are the long arms of the machine, moving to lift heavy materials to skyscraper heights. In this low-level read, children will learn how the many parts of a crane work together to build towering structures.

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.

Strap into a harness and prepare for a wild ride! Roller coasters offer steep hills, wide turns, and incredible speeds. Curious readers will find information on the history of roller coasters, the materials used to build them, and the science behind the speed.

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.

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.

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.