Children are consumers, too, though they often do not realize it. This strikingly illustrated book helps youngsters understand the concepts of goods and services so that they recognize their… More →

Igneous rock has a dramatic beginning - it requires red-hot volcanic activity. This fact-filled book explains how granite, lava, basalt, silica, quartz and feldspar are formed after hot,… More →

This informative title introduces readers to the electrical properties of different materials. Readers will learn that conductors are materials that allow the flow of electricity, while… More →

Heat, pressure and stress can also change some igneous or sedimentary rocks into other kinds of rocks. This fact-filled book describes the process that turns limestone into marble, shale into More →

Minerals are chemicals that are the building blocks of rocks. Metals, crystals, and gemstones are all minerals found in rocks. This interesting book describes how to identify minerals, where… More →

Camouflage is blending into a natural environment, but mimicry is pretending to be another living thing to survive. Mimics use shape, pattern, sound, smell, and/or behavior to fool predators… More →

This exciting book examines how Sir Isaac Newton developed three basic laws that govern the way in which objects move. Readers will learn how Newton expanded on the work of other great… More →

It all starts with erosion for sedimentary rock. Worn down bits of rock become pressed together under pressure into strata, or layers. The formation of rock such as sandstone, shale,… More →

This is a volume designed to inform children what taxes are and why they are needed. Emphasis is placed on how taxes provide the funds needed to keep governments running, from local to… More →

This exciting title introduces readers to the concept of a wave and the patterns and properties common to both light and sound waves. Clear text and detailed diagrams combine to demonstrate… More →