The 6th edition of immunology has been radicalyy revised and updated.The first half of the book covering basic immunology has been completely re-organized.All chapters now include Critical Thinking Boxes,with explanations listed at the back of the book.In the clinical chaptes,and in accordance with the move towards integrated ,problem-based teaching,these Boxes take the form of clinical vignettes.250 top quality phtographs depict clinical aspects of immunology while over 400conceptual diagrams simplify even the most complex immunologic processes.