Under this intriguing title and covered by a dramatic dust wrapper is a really excellent book for the layman on bacteriology and infectious disease. An extract from the publisher's letter gives perhaps better than the reviewer can an outline of its substance:
"The book deals with one of the brightest chapters in medical history, telling a story of war against disease and the vaunted conquests of man over his invisible germ enemies. Against a historical background of past and present medical discoveries and their application is shown how microbes wage war against man with counter-attacks of their own, ingenious and diabolically human. The novelty of the theme is in its presentation from the point of view of a microbal 'struggle for existence' as they seek food, shelter and continuous survival at the expense of human and animal 'hosts,' leaving disease in their wake.
"The author shows that in this changing