John, L. Ingraham (U. of California) and Catherine A. Ingraham (The Permanent Medical Group, Inc.) present a new edition of a text that addresses all aspects of basic and applied microbiology, including medical, environmental, agricultural, and industrial. Following a consideration of the basic science of microbiology (Part I) and a survey of the various kinds of micro-organisms (Part II), Parts III and IV deal with microbial diseases, and Part V examines the way humans use microorganisms and the essential roles they play in Earth's ecology. Changes to this edition include recent scientific progress, expanded case studies, altered presentation of metabolism and genetics, and a CD-ROM which contains a tutorial, quizzes, and exercises. Contains many color illustrations.