Front Matter -- Preface -- Contents -- Public Summary: The Health Effects of Exposure to Indoor Radon -- Executive Summary -- 1 Introduction -- 2 The Mechanistic Basis of Radon-Induced Lung Cancer -- 3 Models and Risk Projections -- 4 Health Effects of Radon Progeny on Non-Lung-Cancer Outcomes -- Appendix A Risk Modeling and Uncertainty Analysis -- Appendix B Comparative Dosimetry -- Appendix C Tobacco-Smoking and Its Interaction with Radon -- Appendix D Miner Studies -- Appendix E Exposures of Miners to Radon Progeny -- Appendix E Exposures of Miners to Radon Progeny.