1. Prologue -- 2. Water as a Substance -- 3. Rivers and Lakes - Their Distribution, Origins, and Forms -- 4. Water Economy -- 5. Light in Inland Waters -- 6. Fate of Heat -- 7. Water Movements -- 8. Structure and Productivity of Aquatic Ecosystems -- 9. Oxygen -- 10. Salinity of Inland Waters -- 11. The Inorganic Carbon Complex -- 12. The Nitrogen Cycle -- 13. The Phosphorus Cycle -- 14. Iron, Sulfur, and Silica Cycles -- 15. Planktonic Communities: Algae and Cyanobacteria -- 16. Planktonic Communities: Zooplankton and their Interactions with Fish -- 17. Bacterioplankton -- 18. Land-Water Interfaces: Larger Plants -- 19. Land-Water Interfaces: Attached Microorganisms, Littoral Algae, and Zooplankton -- 20. Shallow Lakes and Ponds -- 21. Sediments and Microflora -- 22. Benthic Animals and Fish Communities -- 23. Detritus: Organic Carbon Cycling and Ecosystem Metabolism -- 24. Past Productivity: Paleolimnology -- 25. The Ontogeny of Inland Aquatic Ecosystems -- 26. Inland Waters: Understanding is Essential for the Future