These are turbulent times with the novel disease, COVID-19 engulfing, imprisoning, and debilitating the humanity all over the Globe. This book is based on based on the author's research and review articles related to COVID-19, which have been published in various international medical journals during last fourteen months. As the knowledge base about COVID19 is fast evolving, an update is actually required if not weekly, at least on monthly forming a scientific basis for the clinicians, researchers, epidemiologists, and policy planners to deal with the pandemic, and allay vast circulating misinformation and for the sake of curiosity for the enlightened public, to dilute the confusion prevailing about the disease, and yet to keep aware of the faux despair or false hopes.The book is a discourse about the present day understanding of the disease and its causative agent. Planned in four parts, It discusses about the perspective and afflictions the disease can bring about. It visualizes the preventive measures, therapeutic options, and scientific solutions. . It also, tries to predict the disease scenario in the time to come.