Contents; Introduction: The Soil Health Revolution; Part I: The Underground Ecosystem; Chapter 1: The Soil Biome: Life Beneath Our Feet; Chapter 2: The Nutrient Cycle and Plant-Microbe Symbiosis; Chapter 3: Water, Carbon, and the Living Sponge; Part II: The Constraints to Regeneration; Chapter 4: The Addiction to Chemical Inputs; Chapter 5: Tillage and the Mechanical Destruction of Soil; Chapte…