The book "The Great Plague (1348-9 p.)", now generally known as the Black Death, is one of the most authoritative studies of the Black Death in the Middle Ages, written by the famous British historian Francis Aidan Gasquet. In this book, the author examines in detail the origin, spread and consequences of the plague, which killed millions of people in medieval Europe. Gasquet analyzes the social, economic and cultural consequences of this tragedy, revealing its influence on the further development of European society. This book not only examines the historical facts in detail, but also traces the psychological impact of the Black Death on the population of that time. "The Great Plague (1348-9 p.)" became a significant contribution to the study of the history of medical and social pandemics, providing readers with a deep understanding and understanding of the terrible events of the Middle Ages.