Everybody digs soil

Explains the value of soil, how soil is created, and the forces that cause soil erosion. Discusses the impact of soil erosion on humans and wildlife, and offers tips for caring for the earth. Includes color photographs, fact boxes, a glossary, and sources of additional information.

Depicts the important role of soil in sustaining life on Earth and keeping global warming in check. Describes decomposition, bacteria, various types of underground animal life, and discusses the impact of people on micro life. Includes color photos, a glossary, and an index.

Describes different types of soil in different climates, what animals live in them, and their value to human life.

Discusses the composition of soil and the different ways that it is made, covering topics such as humus, microbes, nutrient cycles, aeration, burrowers, erosion, and climate.