Part I. Overviews: 1. Introduction and overview Bernard Carr
2. Living in the multiverse Steven Weinberg
3. Enlightenment, knowledge, ignorance, temptation Frank Wilczek
Part II. Cosmology and Astrophysics: 4. Cosmology and the multiverse Martin J. Rees
5. The anthropic principle revisited Bernard Carr
6. Cosmology from the top down Stephen Hawking
7. The multiverse hierarchy Max Tegmark
8. The inflationary universe Andrei Linde
9. A model of anthropic reasoning: the dark to ordinary matter ratio Frank Wilczek
10. Anthropic predictions: the case of the cosmological constant Alexander Vilenkin
11. The definition and classification of universes James D. Bjorken
12. M/string theory and anthropic reasoning Renata Kallosh
13. The anthropic principle, dark energy and the LHC Savas Dimopoulos and Scott Thomas
Part III. Particle Physics and Quantum Theory: 14. Quarks, electrons and atoms in closely related universes Craig J. Hogan
15. The fine-tuning problems of particle physics and anthropic mechanisms John F. Donoghue
16. The anthropic landscape of string theory Leonard Susskind
17. Cosmology and the many worlds interpretation of quantum mechanics Viatcheslav Mukhanov
18. Anthropic reasoning and quantum cosmology James B. Hartle
19. Micro-anthropic principle for quantum theory Brandon Carter
Part IV. More General Philosophical Issues: 20. Scientific alternatives to the anthropic principle Lee Smolin
21. Making predictions in a multiverse: conundrums, dangers, coincidences Anthony Aguirre
22. Multiverses: description, uniqueness and testing George Ellis
23. Predictions and tests of multiverse theories Don N. Page
24. Observation selection theory and cosmological fine-tuning Nick Bostrom
25. Are anthropic arguments, involving multiverses and beyond, legitimate? William R. Stoeger
26. The multiverse hypothesis: a theistic perspective Robin Collins
27. Living in a simulated universe John D. Barrow
28. Universes galore: where will it all end? Paul Davies
Index.
