Chapter 1 Introduction -- chapter 2 Epidemiology — Studies of Cancer Causes in Humans -- chapter 3 Standard Animal Bioassays for Carcinogens -- chapter 4 Other Methods for the Identification of Carcinogens: Are They Quicker, Less Expensive, and as Reliable? -- chapter 5 Exposure in the Workplace -- chapter 6 Cigarette Smoking: A Modern Plague -- chapter 7 Diet and Nutrition -- chapter 8 Pharmaceuticals -- chapter 9 The General Environment -- chapter 10 Rodent Carcinogenesis Bioassay as a Predictor for Human Cancers -- chapter 11 Carcinogenesis Mechanisms -- chapter 12 Carcinogenesis Risk Assessment -- chapter 13 Legislation, Regulation, and Education -- chapter 14 Envoi: Major Goals of Research