Book excerpt: Microbiology in Clinical Practice presents the infections and syndromes caused by micro-organisms. It discusses the management of infective diseases and aetiological agents. It addresses the latex agglutination, immunofluorescent, monoclonal antibody, and nucleic acid probe investigations. Some of the topics covered in the book are the classification and pathogenicity of microbes; classification of bacteria; classification of viruses; classification of fungi; general principles of antimicrobial chemotherapy; antibiotic sensitivity tests; procedures in the laboratory for microbiological diagnosis; and the mode of action of antimicrobial drugs. The resistance to antimicrobial drugs are covered. The microbiological investigations of septicaemia are discussed. The text describes the human immunodeficiency virus infection and AIDS in infants. A study of the congenital immunodeficiency and impaired resistance to infection is presented. A chapter is devoted to the predisposing factors for anaerobic infections. Another section focuses on the infections of the central nervous system. The book can provide useful information to doctors, pathologists, neurologists, students, and researchers.