"Epidemics: Investigated and Explained, or Living Microbes Proved by Analogy as the Source of Disease" is the work of the famous author John Grove, which went down in history as an important contribution to the understanding of the origin and spread of epidemics. The author highlights the theory that diseases can be caused by living microorganisms, presenting various analogies and arguments for this concept. Mainly, the book offers a new approach to understanding epidemiology and the possibility of fighting dangerous diseases caused by living organisms. The book "Epidemics: Investigated and Explained, or Living Microbes Proved by Analogy as the Source of Diseases" is a valuable document of the intellectual and scientific heritage of the 18th century.