CONTENTS -- Preface to the Second Edition -- Introductory Essay to the First Edition -- More Is Different -- 1. Pressure Broadening in the Microwave and Infrared Regions -- 2. Theory of Ferroelectric Behavior of Barium Titanate -- 3. Use of Stochastic Methods in Line-Broadening Problems -- 4. An Approximate Quantum Theory of the Antiferromagnetic Ground State -- 5. Qualitative Considerations on the Statistics of the Phase Transition in BaTiO3-type Ferroelectrics -- 6. Ordering and Antiferromagnetism in Ferrites -- 7. Absence of Diffusion in Certain Random Lattices -- 8. New Method in the Theory of Superconductivity -- 9. New Approach to the Theory of Superexchange Interactions -- 10. Theory of Dirty Superconductors -- 11. Calculation of the Superconducting State Parameters with Retarded Electron-Phonon Interaction -- 12. Generalized Bardeen-Cooper-Schriefer States and the Proposed Low-Temperature Phase of Liquid He3 -- 13. Localized Magnetic States in Metals -- 14. Plasmons Gauge Invariance and Mass -- 15. Hard Superconductivity: Theory of the Motion of Abrikosov Flux Lines -- 16. Probable Observation of the Josephson Superconducting Tunneling Effect -- 17. Image of the Phonon Spectrum in the Tunneling Characteristic between Superconductors -- 18. Exchange in Magnetic Insulators -- 19. Superconductivity (Two Opinions) -- 20. Coherent Matter Field Phenomena in Superfluids -- 21. Considerations on the Flow of Superfluid Helium -- 22. Multiple-Scattering Theory and Resonances in Transition Metals -- 23. Infrared Catastrophe in Fermi Gases with Local Scattering Potentials -- 24. The Kondo Effect -- The Kondo Effect I -- The Kondo Effect II -- Kondo Effect III: The Wilderness - Mainly Theoretical -- Kondo Effect IV: Out of the Wilderness -- 25. Superconductivity in the Past and the Future.

26. Macroscopic Coherence and Superfluidity -- 27. The Fermi Glass: Theory and Experiment -- 28. Space-Time and Scaling Techniques in the Kondo Problem -- 29. Anomalous Low-temperature Thermal Properties of Glasses and Spin Glasses -- 30. Comments on the Maximum Superconducting Transition Temperature -- Comments on the Maximum Superconducting Transition Temperature -- Comment on "Model for an Exciton Mechanism of Superconductivity" -- 31. Resonating Valence Bonds: A New Kind of Insulator? -- 32. Anisotropic Superfluidity in 3He: A Possible Interpretation of Its Stability as a Spin-Fluctuation Effect -- 33. Conference Summary -- 34. Asymptotically Exact Methods in the Kondo Problem -- 35. Many-Body Effects at Surfaces -- 36. Conductivity from Charge or Spin Density Waves -- 37. Uses of Solid State Analogies in Elementary Particle Theory -- 38. Possible Consequences of Negative U Centers in Amorphous Materials -- 39. Theory of Spin Glasses -- 40. Solution of "Solvable Model of a Spin Glass" -- 41. Phase Slippage without Vortex Cores: Vortex Textures in Superfluid 3He -- 42. Scaling Theory of Localization: Absence of Quantum Diffusion in Two Dimensions -- 43. Some General Thoughts about Broken Symmetry -- 44. The Rheology of Neutron Stars: Vortex Line Pinning in the Crust Superfluid -- 45. Localization Redux -- 46. New Method for Scaling Theory of Localization. II: Multi-Channel Theory of a "Wire" and Possible Extension to Higher Dimensionality -- 47. Definition and Measurement of the Electrical and Thermal Resistances -- 48. Suggested Model for Prebiotic Evolution: The Use of Chaos -- 49. Chemical Pseudopotentials -- 50. Spin Glass Hamiltonians: A Bridge between Biology Statistical Mechanics and Computer Science.

51. Measurement in Quantum Theory and the Problem of Complex Systems -- 52. It's Not Over Till the Fat Lady Sings -- 53. Spin Glass -- Spin Glass I: A Scaling Law Rescued -- Spin Glass II: Is There a Phase Transition? -- Spin Glass III: Theory Raises Its Head -- Spin Glass IV: Glimmerings of Trouble -- Spin Glass V: Real Power Brought to Bear -- Spin Glass VI: Spin Glass as Cornucopia -- Spin Glass VII: Spin Glass as Paradigm -- 54. Epilogue -- 55. Present Status of Theory: 1/N Approach -- 56. The Problem of Fluctuating Valence in f-Electron Metals -- 57. Gutzwiller-Hubbard Lattice-Gas Model with Variable Density: Application to Normal Liquid 3He -- 58. Some Ideas on the Aesthetics of Science -- 59. Theoretical Paradigms for the Sciences of Complexity -- 60. 50 Years of the Mott Phenomenon: Insulators Magnets Solids and Superconductors as Aspects of Strong-Repulsion Theory -- 61. Theories of Fullerene Tc's Which Will Not Work -- 62. The Reverend Thomas Bayes Needles in Haystacks and the Fifth Force -- 63. The Eightfold Way to the Theory of Complexity: A Prologue -- 64. Magnetic Field Induced Confinement in Strongly Correlated Anisotropic Materials -- 65. Physics: The Opening to Complexity -- 66. Beyond Chaos: Singular Distributions and Power Laws -- 67. Science: A 'Dappled World' or a 'Seamless Web'? -- 68. RVB Redux: A Synergistic Theory of High Tc Cuprates -- 69. Physics of the Pseudogap Phase of High Tc Cuprates or RVB meets Umklapp -- 70. In Praise of Unstable Fixed Points: The Way Things Actually Work -- 71. Rise of Complexity 1953-2002 -- 72. The Physics behind High-temperature Superconducting Cuprates: The 'Plain Vanilla' Version of RVB.