Scrapers are big earth movers. They have a part that chops up the ground so that the ground can be scraped up and transported. See the whole process unfold in the pages of this introduction to scrapers.

The F-117A Nighthawk had technology so advanced for its time that it was kept secret during its first five years of service. Young learners will be fascinated with the history, weapons, and technology behind this incredible aircraft.

The F-22 Raptor might be the most advanced fighter plane in the world. Using stealth technology, it can carry out ground attack missions, electronic warfare missions, and dominate the skies. Students will discover the weapons and technology that allow the F-22 Raptor to complete these missions with ease.

Earth is the only planet in the solar system known to support life. Children will explore our home's water, atmosphere, and the diverse land features that make Earth a beautiful place to live!

Mars is known as the red, rocky planet. It has many volcanoes, including the solar system's largest one. Eager readers will learn about the physical features of Mars and its place in the solar system.

The United States accelerated the space race in 1958 by forming NASA. Eager readers will learn about the history of NASA and its many manned and unmanned missions.

The Hubble Telescope travels at 17,500 miles per hour to capture fascinating images of space. Young learners will read about the creation of the Hubble Telescope and the ways we use it to learn more about the universe.

Airplanes travel all around the world! In this title, beginning readers can learn about the parts of these mighty machines as well as the jobs they do through simple, predictable text and bright photos. Features such as a labeled diagram of airplane parts support and reinforce the text. This low-level title will help students just beginning to read independently to take flight!