1. Introduction: How It All Began -- 2. Radiation Sources and Process Control -- 3. Chemical Effects of Ionizing Radiation -- 4. Biological Effects of Ionizing Radiation -- 5. Identification of Irradiated Foods -- 6. Radiological and Toxicological Safety of Irradiated Foods -- 7. Microbiological Safety of Irradiated Foods -- 8. Nutritional Adequacy of Irradiated Foods -- 9. Evaluation of the Wholesomeness of Irradiated Foods by Expert Groups and International Agencies -- 10. Potential and Current Applications of Food Irradiation -- 11. Government Regulation of Irradiated Foods -- 12. Consumer Attitude -- 13. Outlook -- Appendix I. Codex General Standard for Irradiated Foods -- Appendix II. Recommended International Code of Practice for the Operation of Irradiation Facilities Used for the Treatment of Foods -- Appendix III. List of Codes of Good Irradiation Practice and Other Documents Issued by the International Consultative Group on Food Irradiation (ICGFI)