Draws on the experiences of patients, physicians, and researchers to explain the revolutionary development of immunotherapy as a treatment for cancer and how that information is being harnessed to create more effective patient therapies.

Patient 101006 JDS -- A simple idea -- Glimmers in the darkness -- Eureka, Texas -- The three E's -- Tempting fate -- The chimera -- After the gold rush -- It's time -- Appendix A: Types of immunotherapies now and upcoming -- Appendix B: The breakthrough, in brief -- Appendix C: A brief anecdotal history of disease, civilization, and the quest for immunity.