The book "The Positive School of Criminology: Three Lectures Delivered at the University of Naples, Italy, April 22, 23, and 24, 1901" was written by the eminent Italian criminologist Enrico Ferri. In this work, the author examines the social context of crime, using practical examples and analyzing the root causes of criminal acts. Ferry expresses profound ideological reflections on social responsibility, inspired by a positivist approach to the study of criminal behavior. His lectures overturn conventional ideas about criminality and stimulate the reader to think about issues of justice and reform of the penal system. This book is of great importance for the understanding of modern criminal theories and criminal policy.