Viral Encephalitis in Humans edited by John Booss and Margaret M. Esiri , 227 pp., ASM Press, 2003, $139.95 This is an extensive revision of a landmark book first published by John Booss and Margaret M. Esiri in 1986. Since publication of the original edition, a number of new agents have appeared, and much has been learned about pathogenesis, diagnosis, and treatment of viral central nervous system infections. This new—and beautifully illustrated—edition of this book is thus most welcome. The book is divided into five …