Acknowledgments, 1 Background, 2 The Phonetics of Contour Tones, 3 Empirical Predictions of Different Approaches, 4 The Role of Contrast-Specific Phonetics in Contour Tone Distribution: A Survey, 5 The Role of Language-Specific Phonetics in Contour Tone Distribution: Instrumental Studies, 6 Against Structure-Only Alternatives, 7 A Phonetically-Driven Optimality-Theoretic Approach, 8 Case Studies, 9 Conclusion, Appendix: Data Sources for Languages in the Survey, References, Index