Many books have been written about cancer immunology. However, the subject is still in its infancy regarding full understanding of the complex mechanisms and interactions involved and their relevance to the clinical situation. Exciting developments are being seen in the fields of research, involving, for example, monoclonal antibodies and biological response modifiers. We, therefore, feel fully justified in introducing this new text, which is intended for clinical oncologists wishing to know more about the status of immunology in cancer and as a source of reference for workers, in all...