The new third edition of Textbook of Immunology is a comprehensive text and presents the subject in a clear, concise and palatable form that will enable students and teachers to grasp the advanced and latest essentials of Immunology. It is designed for readability and ease of use, perfectly for teaching and learning process. It includes numerous advanced illustrations, flow charts, line diagrams, clinical correlations, and review questions to reinforce the most essential concepts in the subject.The book is divided into 19 chapters and a brief synopsis or the outline precedes the main text of each chapter. Each chapter is divided into small paragraphs, usually with a title for easy reference. A series of study questions appears at the end of each chapter. New terms or concepts are highlighted in boldface for easy recognition and recall. At the end, a glossary is included to understand the terminology used in Immunology.Dr. K. Rajeshwar Reddy, Associate Professor of Microbiology, Prathima Institute of Medical Sciences, Nagunur, Karimnagar, A.P., has over two decades of teaching experience. He did his M.Sc. (Medical Microbiology) from Kasturba Medical College, Manipal, affiliated to Mangalore University, Karnataka. He was awarded Ph.D. by KakatiyaUniversity, Warangal, A.P., for his research on "Dermatophytoses and Antifungal Susceptibility Studies". He authored eight textbooks in the field of Medical Microbiology, Immunology, and Biochemistry. He has done research on "Attitudes of MBBS Students towards Medical Profession", an area pertaining to the field of medical education.