Dirt: The Erosion of Civilizations - David R. Montgomery (2007) Chapter 1. GOOD OLD DIRT Chapter 2. SKIN OF THE EARTH Chapter 3. RIVERS OF LIFE Chapter 4. GRAVEYARD OF EMPIRES Chapter 5. LET THEM EAT COLONIES Chapter 6. WESTWARD HOE Chapter 7. DUST BLOW Chapter 8. DIRTY BUSINESS Chapter 9. ISLANDS IN TIME Chapter 10. LIFE SPAN OF CIVILIZATIONS NOTES BIBLIOGRAPHY