The book covers all aspects of immune-mediated diseases of the muscle and nerve, which are a group of complex diseases, whose diagnosis needs a team of specialists in the field of neuropathology, immunopathology, neurology, and rheumatology. Nerve and muscle biopsy evaluation is invaluable in distinguishing immune-mediated from etiologies and therefore, despite being invasive, pathological evaluation of nerve and muscle has stood the test of time. Chapters cover all the essential aspects of each disease entity viz. the pathogenesis, clinical features, diagnostic armamentarium,