A simple introduction explaining the broad principles underlying chemotherapy, this book gives trainees a framework within which they can place the specific aspects of cancer chemotherapy they encounter in their everyday experience. The first part of this book is unique in explaining the recent developments in the field in terms of their point of action in the natural history of cancer. The second and third sections contain a more straightforward description of practical aspects of chemotherapy, and the current place of drug treatment in everyday cancer management, including the outcomes of that treatment.