Peppas, Lynn

Introduces the different ways to measure matter, and the tools used.

An introduction to buses that discusses their parts and why people use them and describes a variety of buses, such as trolleys, electric streetcars, subway trains, and more.

This informative title explains how clouds form. Concepts such as evaporation and condensation are explained in a clear, age-appropriate way.

Photographs, illustrations, and text introduce readers to energy conservation and the power of water as an energy source.

Discusses the many types of helicopters the military uses, the function of each, and the parts of a helicopter.

Photographs and text offer an introduction to fighter jets, labeling the different parts of a jet, explaining what they are used for, describing how they work, and covering other related topics.

Photographs and text offer an introduction to aircraft carriers, labeling the different parts of a carrier, explaining what they are used for, describing how they work, and covering other related topics.

Introduces young readers to different tractor models and the kinds of work different tractors can do.

Explains what sorting is, looks at some of the ways in which things can be sorted, and introduces sets and Venn diagrams.

Describes and illustrates several kinds of armored military vehicles.