Preface; M.D. Max. Part 1: Hydrate as a Material and its Discovery. 1. Introduction, Physical Properties, and Natural Occurrences of Hydrate; R.E. Pellenbarg, M.D. Max. 2. Natural Gas Hydrate: Introduction and History of Discovery; K.A. Kvenvolden. Part 2: Physical Character of Natural Gas Hydrate. 3. Practical Physical Chemistry and Empirical Predictions of Methane Hydrate Stability; E.T. Peltzer, P.G. Brewer. 4. Thermal State of the Gas Hydrate Reservoir; C. Ruppel. Part 3: Oceanic and Permafrost-Related Natural Gas Hydrate. 5. Permafrost-Associated Gas Hydrate; T.S. Collett, S.R. Dallimore. 6. Oceanic Gas Hydrate; W.P. Dillon, M.D. Max. Part 4: Source of Methane and its Migration. 7. The Role of Methane Hydrate in Ocean Carbon Chemistry and Biogeochemical Cycling; R.B. Coffin, et al. 8. Deep Biosphere: Source of Methane for Oceanic Hydrate; P. Wellsbury, R.J. Parkes. 9. Movement and Accumulation of Methane in Marine Sediments: Relation to Gas Hydrate Systems; M.B. Clennell, et al. Part 5: Major Hydrate-related Issues. 10. Natural Gas Hydrate as a Potential Energy Resource; T.S. Collett. 11. Climate Impact of Natural Gas Hydrate; B.U. Haq. 12. Potential Role of Gas Hydrate Decomposition in Generating Submarine Slope Failures; C.K. Paull, et al. Part 6: Some Examples of Natural Gas Hydrate Localities. 13. U.S. Atlantic Continental Margin; the Best Known Gas Hydrate Locality; W.P. Dillon, M.D. Max. 14. Gas Hydrate in the Arctic and Northern North Atlantic Oceans; M.D. Max, et al. 15. Cascadia Margin, Northeast Pacific Ocean: Hydrate Distribution from Geophysical Investigations; G.D. Spence, et al. 16. The Occurrence of BSRs on the Antarctic Margin; E. Loddo, A. Camerlenghi. 17. Gas Hydrate Potential of the Indian Sector of the NE Arabian Sea and Northern Indian Ocean; M.D. Max. 18. Hydrate as a Future Energy Resource for Japan; M.D. Max. 19. A Note on Gas Hydrate in the Northern Sector of the South China Sea; S. McDonnel, M. Czarnecki. Part 7: How we see Hydrate. 20. Introduction to Physical Properties and Elasticity Models; J. Dvorkin, et al. 21. Geophysical Sensing and Hydrate; P.R. Miles. 22. Seismic Methods for Detecting and Quantifying Marine Methane Hydrate/Free Gas Reservoirs; I.A. Pecher, W.S. Holbrook. 23. Ground Truth: In-Situ Properties of Hydrate; D.S. Goldberg, et al. Part 8: Laboratory Studies of Gas Hydrates. 24. GHASTLI -- Determining Physical Properties of Sediment Containing Natural and Laboratory-Formed Gas Hydrate; W.J. Winters, et al. 25. Laboratory synthesis of pure methane hydrate suitable for measurement of physical properties and decomposition behavior; L.A. Stern, et al. Part 9: The Promise of Hydrate. 26. Economic Perspective of Methane from Hydrate; K.J. Bil. 27. Hydrate Resource, Methane, Fuel, and a Gas-Based Economy? M.D. Max. Glossary of Terms. Selected References. List of Contributing Authors.