Introduces children to the subject of agriculture, showing not only how plants germinate, grow and produce food, but also about the composition of soil and the creatures who live in it.

Provides an overview of soil, discussing its formation, composition, and uses.

Discusses the nature and importance of soil and the many forms of life it supports.

Discusses the sources, ingredients, types, and nutrients of soil and the life forms that it supports.

How Is Soil Made introduces the organic and inorganic components of soil; discusses plants need for nutrients, nutrient cycles, and decomposition; illustrates the weathering, erosion, deposition processes; and, concludes with why humans need to safeguard soil.

Down where worms wriggle and microbes squirm, there's a whole world waiting to be discovered... Under Your Feet delves beneath the Earth's surface and explores the diverse wonders hidden there. Encounter creatures of the deep and marvel at the mind-boggling size of the humongous fungus--the biggest organism in the world. Learn how one handful of ordinary soil contains more organisms than there are people on Earth, and carry out experiments using dirt...