The Cost of Immune-Mediated “Collateral Damage” in the Nervous System: In Defense of the Brain: Current Concepts in the Immunopathogenesis and Clinical Aspects of CNS Infections Edited by Phillip K. Peterson, M.D. and Jack S. Remington, M.D. Oxford: Blackwell Science (1997). 355 pp. $95.00; Immunological and Infectious Diseases of the Peripheral Nerves Edited by N. Latov, John H. J. Wokke, and John J. Kelly, Jr. New York: Cambridge University Press (1998). 435 pp. $145.00