The text describes the mechanisms of immunity in detail within the context of the experiments that led to their discovery. The main emphasis is on the molecular and cellular levels of the body's immune processes thus focusing on the fields where the most exciting advances are being realized. The book also offers, seperate chapters on immunodeficiency diseases and AIDS; individual chapters on histocompatability complex, immunoglobulin genes, T-cell receptors, monoclonal antibodies and vaccines, and end of chapter pedagogy with answers and a glossary provided