Praised for its exceptionally clear presentation of complex topics, This #selling text for microbiology non-majors provides a careful balance of concepts and applications, and proven art that teaches. The twelfth edition of microbiology: an introduction focuses on big picture concepts and themes in microbiology, encouraging students to visualize and synthesize tough topics such as Microbial metabolism, immunology, and Microbial genetics. The text and accompanying resources also help students make connection between microbiology theory and disease diagnosis, treatment, and prevention.