Amazon.com description: Product Description: This introductory microbiology text uses a clear writing style to provide an understanding of microbial diseases. This edition takes an organ systems based approach to human diseases and emphasizes the relevance of microbiological principles to human health. There is expanded coverage of immunology, and historical as well as current coverage to show how understanding of microbiology has evolved. There are special interest topics to reinforce microbiological principles, and there are numerous colour illustrations throughout.