Contents:

• Overview (L-Z Fang & Z-C Wu)
• Quantum Gravity: Superspace and the Nature of Quantum Geometrodynamics (J Wheeler)
• Theory of Gravity (B DeWitt)
• The Early Universe: New Type of Isotropic Cosmological Models without Singularity (A Starobinsky)
• Cosmological Baryon-number domain Structure and the First Order Phase Transition of a Vacuum (K Sato)
• A Possible Solution to the Horizon and Flatness Problems (A Guth)
• New Inflationary Universe Scenario (A Linde)
• Supercooled Phase Transitions in the Very Early Universe (S Hawking & I Moss)
• Grand Unified Theories With Radiatively Induced Symmetry Breaking (A Albrecht & P Steinhardt)
• Quantum Cosmology: Boundary Conditions (S Hawking)
• Wave Function (J Hartle & S Hawking)
• Quantum Cosmology (S Hawking)
• Toy Models: Quantum State (S Hawking)
• Higher Derivatives (S Hawking & J Luttrel)
• Numerical Calculations of Minisuperspace Models (S Hawking & Z-C Wu)
• Consequences: Isotropy (S Hawking & J Luttrel)
• Origin of Structure (J Halliwell & S Hawking)
• Positive-Definite Action (G Horowitz)
• Dimension (Z-C Wu)
• Arrow of Time (S Hawking)
• Operator Ordering and Flatness of the Universe (S Hawking & D Page)
• Black Holes (L Z Fang & M Li)