This atlas illustrates the latest available data on the cancer epidemic, showing causes, stages of development, and prevalence rates of different types of cancers by gender, income group, and region. It also examines the cost of the disease, both in terms of health care and commercial interests, and the steps being taken to curb the epidemic, from research and screening to cancer management programs and health education. Judith Mackay , MD , is a coauthor of The Tobacco Atlas. She lives in Hong Kong. Michael Eriksen , MD , is a professor and founding director of the Institute of Public Health at Georgia State University. Omar Shafey , MD , is a medical anthropologist and epidemiologist and manages the American Cancer Society’s International Tobacco Surveillance program.