I Buchanan and Public Choice in Historical Perspective.- 1. Onwards and Upwards - James Buchanan at 80.- 2. Buchanan and the Virginia School.- 3. A Young Man of Eighty.- 4. Buchanan-as-Artist: A Retrospective.- II Methodological Aspects of Buchanan's Work.- 5. Science and the Social Order.- 6. A Creative Theorist in His Workshop: James M. Buchanan as a Positive Economist.- 7. Buchanan and Shackle on Cost, Choice and Subjective Economics.- 8. The Art of the State, State of the Art.- 9. Buchanan as a Conservative.- 10. Buchanan and Wiseman.- 11. Notes on Buchanan on Methodological Individualism.- III Constitutional Economics.- 12. The Importance of Uncertainty in a Two-Stage Theory of Constitutions.- 13. The Constitutional Stage Revisited.- 14. Evolution and Learning in Collective Decision Making.- 15. Revisiting "The Nobel Lie": An Argument for Constitutional Constraints.- 16. The Calculus of Dissent: Constitutional Completion and Public Goods.- 17. Pareto Optimality and the Rule of Law.- 18. An Invisible Hand Theorem for Collectivists.- IV Public Choice and Public Policy.- 19. Does Abstention Matter?.- 20. The Transformation of Economic Systems.- 21. Will the Europeans Seize Their "Once-in-History Opportunity"? - Comments on James M. Buchanan's Essay "Europe's Constitutional Opportunity".- 22. The Role of a New International Monetary Institution after the EMU and after the Asian Crises: Some Preliminary Ideas Using Constitutional Economics.- 23. On Conditions Favouring the Introduction and Maintenance of Stable Monetary Regimes and of Free Constitutions.- 24. Merit Goods from a Constitutional Perspective.- 25. James Buchanan as a Health Economist.- V The Moral Dimension.- 26. Morality and the Political Process.- 27. Economic Morality as a Competitive Asset.- 28. To Help or Not to Help: The Samaritan's Dilemma Revisited.- 29. Constitutional Economics and Ethics - On the Relation Between Self-Interest and Morality.- 30. Contingencies, the Limits of Systems, and the Morality of the Market.- VI Buchanan as Teacher and Colleague.- 31. Mr. Buchanan - Some Episodes from the Life of a University of Virginia Graduate Student in the Early 1960s.- 32. James McGill Buchanan: A Classic Original Thinker.- 33. Learning from the Master: A Student Evaluation of Professor Buchanan.- 34. James M. Buchanan Outside the Classroom: A Former Student's Perspective.- 35. Blacksburg, Virginia: Summer, 1977.- 36. A Birthday Reminiscence.- 37. First Encounters with James Buchanan's Scholarship: A Personal Reminiscence.- 38. James Buchanan's Influence: A Personal View.- 39. 'Is GMU Big Enough for Buchanan?'.- About the Editors.