Experts say that a pandemic like the Spanish flu happens once in a century. Well, time’s up. In December 2019, the world witnessed the emergence of a new pathogen that brought it to a standstill. The novel Coronavirus outbreak was declared a pandemic and governments worldwide executed unprecedented measures to contain it. The impact on life was devastating. Overnight, people became more aware of self-hygiene and the importance of social distancing. However, many are still left in the dark when it comes to the ‘why?’. This book introduces the basics of Microbiology, covering essential concepts that answer burning doubts. What are microorganisms? How do infection and disease occur? Should I be vaccinated? What is the difference between bacteria, viruses, protozoa, and fungi? How can I protect myself against harmful agents? Besides, it aims to bring about a renewed outlook and appreciation of life through the many ‘food for thought’ incorporated in the writing. This book is timely as there is an urgency for the public to understand the microscopic world and timeless because what is learnt today helps us better prepare for the future. After all, it’s a small world where micros dictate macros.