Provides an in-depth look at the soil through photographs to illustrate what soil is, how it's made, what different types of soil there are, and why it's valuable to human life. It explains how minerals and different creatures make soil healthy and discusses how erosion and pollution affect soil.

The soil beneath your feet -- What is soil good for? -- How soil is made -- The layers of soil -- The need for topsoil -- Creatures in the soil -- The colors of soil -- Soil textures -- Natural changes -- Pollution and soil -- Taking care of the soil.