Presents an introduction to wood, looking at what it is, where it comes from, how it is processed, its different types, and how it is used; and features discussion of wood conservation. Includes photographs, a glossary, and a list of books for additional information.
Simple text and photographs describe a variety of planes, including airliners, seaplanes, ultralights, and space shuttles. Includes a time line, a glossary, resources, and an index.
Text, photographs, and illustrations describe the parts of a variety of trucks and explains how they work, covering wheels, suspension, engines, steering, brakes, safety, and more.
Photographs and simple text describe how motorcycles work to early readers, and examine a bike's basic structure, the wheels, engine, transmission, brakes, safety features, and more.
Looks at what happens during a tornado, discusses the causes of tornadoes, where and when they most frequently occur, and prediction and measurement, examines some of history's worst tornadoes, and offers survival tips.
Describes the properties of materials changing in a variety of ways, including melting, boiling, bending and breaking, burning, and others, and includes two hands-on activities.
Discusses the Bermuda Triangle, an area of the Atlantic Ocean where numerous ships and airplanes have mysteriously disappeared, and examines various efforts to identify this phenomenon and discover its causes.