The book "Microbes-Redefined Personality" is intended primarily as a text book of science teachers and students of biological sciences, interested in microbes and microbiology. It presents information that is mandatory in the modern aspects of biological development, economic of microorganisms, and environmental implications. The content has been prepared as a resource material for students, researchers in the field of microbiology and others concerned with science education in general. Contents : Preface Microbes as Life Forms Bacteria: Let Us Look at them Microbes and Antibioctics Microbes in their Habitat Living with Microbes Probiotics Invisible Villains Microbes and Food Microbes and You Microbes and Biological Technology Microbes and Biological Warfare Microbes and Alternative Energy Microbes in Brief-Summary