Soil is second only to oceans as the most important living area on planet Earth. A square meter of soil may be home to many millions of living things. Soil is as important as the atmosphere in sustaining life on Earth and helps control global warming. This series is designed to help readers appreciate soil; increase their knowledge of soil formation and ecology; understand the vital role of soil; and be empowered to help with soil conservation. Kid-friendly examples help young readers to relate to the material, and simple, fun activities help them to understand complex processes.